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Merge pull request #9452 from Maiklins/JAVA-1522-split-core-java-modules-core-java

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Java-1522 split core java modules core java
This commit is contained in:
Josh Cummings
2020-06-09 07:17:05 -06:00
committed by GitHub
parent 9184c56423 7b8b9390c7
commit bf4e7f7c9e
45 changed files with 172 additions and 43 deletions
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core-java-modules/core-java-collections-3/README.md
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@@ -9,3 +9,4 @@
- [Differences Between Collection.clear() and Collection.removeAll()](https://www.baeldung.com/java-collection-clear-vs-removeall)
- [Performance of contains() in a HashSet vs ArrayList](https://www.baeldung.com/java-hashset-arraylist-contains-performance)
- [Fail-Safe Iterator vs Fail-Fast Iterator](https://www.baeldung.com/java-fail-safe-vs-fail-fast-iterator)
- [Quick Guide to the Java Stack](https://www.baeldung.com/java-stack)
core-java-modules/core-java/src/test/java/com/baeldung/stack/StackUnitTest.java → core-java-modules/core-java-collections-3/src/test/java/com/baeldung/collections/stack/StackUnitTest.java
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core-java-modules/core-java-console/README.md
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@@ -0,0 +1,5 @@
#Core Java Console
[Read and Write User Input in Java](http://www.baeldung.com/java-console-input-output)
[Formatting with printf() in Java](https://www.baeldung.com/java-printstream-printf)
[ASCII Art in Java](http://www.baeldung.com/ascii-art-in-java)
core-java-modules/core-java-console/pom.xml
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@@ -0,0 +1,142 @@
<?xml version="1.0" encoding="UTF-8"?>
<project
xmlns="http://maven.apache.org/POM/4.0.0"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
<modelVersion>4.0.0</modelVersion>
<artifactId>core-java-console</artifactId>
<version>0.1.0-SNAPSHOT</version>
<name>core-java-console</name>
<packaging>jar</packaging>
<parent>
<groupId>com.baeldung.core-java-modules</groupId>
<artifactId>core-java-modules</artifactId>
<version>0.0.1-SNAPSHOT</version>
<relativePath>../</relativePath>
</parent>
<build>
<finalName>core-java-console</finalName>
<resources>
<resource>
<directory>src/main/resources</directory>
<filtering>true</filtering>
</resource>
</resources>
<plugins>
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-dependency-plugin</artifactId>
<executions>
<execution>
<id>copy-dependencies</id>
<phase>prepare-package</phase>
<goals>
<goal>copy-dependencies</goal>
</goals>
<configuration>
<outputDirectory>${project.build.directory}/libs</outputDirectory>
</configuration>
</execution>
</executions>
</plugin>
<plugin>
<groupId>org.codehaus.mojo</groupId>
<artifactId>exec-maven-plugin</artifactId>
<version>${exec-maven-plugin.version}</version>
<configuration>
<executable>java</executable>
<mainClass>com.baeldung.outofmemoryerror.OutOfMemoryGCLimitExceed</mainClass>
<arguments>
<argument>-Xmx300m</argument>
<argument>-XX:+UseParallelGC</argument>
<argument>-classpath</argument>
<classpath />
<argument>com.baeldung.outofmemoryerror.OutOfMemoryGCLimitExceed</argument>
</arguments>
</configuration>
</plugin>
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-javadoc-plugin</artifactId>
<version>${maven-javadoc-plugin.version}</version>
<configuration>
<source>${source.version}</source>
<target>${target.version}</target>
</configuration>
</plugin>
</plugins>
</build>
<profiles>
<profile>
<id>integration</id>
<build>
<plugins>
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-surefire-plugin</artifactId>
<executions>
<execution>
<phase>integration-test</phase>
<goals>
<goal>test</goal>
</goals>
<configuration>
<excludes>
<exclude>**/*ManualTest.java</exclude>
</excludes>
<includes>
<include>**/*IntegrationTest.java</include>
<include>**/*IntTest.java</include>
</includes>
</configuration>
</execution>
</executions>
<configuration>
<systemPropertyVariables>
<test.mime>json</test.mime>
</systemPropertyVariables>
</configuration>
</plugin>
<plugin>
<groupId>org.codehaus.mojo</groupId>
<artifactId>exec-maven-plugin</artifactId>
<version>${exec-maven-plugin.version}</version>
<executions>
<execution>
<id>run-benchmarks</id>
<!-- <phase>integration-test</phase> -->
<phase>none</phase>
<goals>
<goal>exec</goal>
</goals>
<configuration>
<classpathScope>test</classpathScope>
<executable>java</executable>
<arguments>
<argument>-classpath</argument>
<classpath />
<argument>org.openjdk.jmh.Main</argument>
<argument>.*</argument>
</arguments>
</configuration>
</execution>
</executions>
</plugin>
</plugins>
</build>
</profile>
</profiles>
<properties>
<maven-javadoc-plugin.version>3.0.0-M1</maven-javadoc-plugin.version>
<exec-maven-plugin.version>1.6.0</exec-maven-plugin.version>
<source.version>1.8</source.version>
<target.version>1.8</target.version>
</properties>
</project>
core-java-modules/core-java/src/main/java/com/baeldung/asciiart/AsciiArt.java → core-java-modules/core-java-console/src/main/java/com/baeldung/asciiart/AsciiArt.java
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core-java-modules/core-java/src/main/java/com/baeldung/console/ConsoleConsoleClass.java → core-java-modules/core-java-console/src/main/java/com/baeldung/console/ConsoleConsoleClass.java
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core-java-modules/core-java/src/main/java/com/baeldung/console/ConsoleScannerClass.java → core-java-modules/core-java-console/src/main/java/com/baeldung/console/ConsoleScannerClass.java
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core-java-modules/core-java/src/main/java/com/baeldung/printf/PrintfExamples.java → core-java-modules/core-java-console/src/main/java/com/baeldung/printf/PrintfExamples.java
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core-java-modules/core-java/src/test/java/com/baeldung/asciiart/AsciiArtIntegrationTest.java → core-java-modules/core-java-console/src/test/java/com/baeldung/asciiart/AsciiArtIntegrationTest.java
+2 -4
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@@ -1,10 +1,9 @@
package com.baeldung.asciiart;
import java.awt.Font;
import com.baeldung.asciiart.AsciiArt.Settings;
import org.junit.Test;
import com.baeldung.asciiart.AsciiArt.Settings;
import java.awt.*;
public class AsciiArtIntegrationTest {
@@ -16,5 +15,4 @@ public class AsciiArtIntegrationTest {
asciiArt.drawString(text, "*", settings);
}
}
core-java-modules/core-java-date-operations-2/README.md
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@@ -8,4 +8,5 @@ This module contains articles about date operations in Java.
- [Converting Java Date to OffsetDateTime](https://www.baeldung.com/java-convert-date-to-offsetdatetime)
- [How to Set the JVM Time Zone](https://www.baeldung.com/java-jvm-time-zone)
- [How to determine day of week by passing specific date in Java?](https://www.baeldung.com/java-get-day-of-week)
- [Finding Leap Years in Java](https://www.baeldung.com/java-leap-year)
- [[<-- Prev]](/core-java-modules/core-java-date-operations-1)
core-java-modules/core-java/src/test/java/com/baeldung/leapyear/LeapYearUnitTest.java → core-java-modules/core-java-date-operations-2/src/test/java/com/baeldung/leapyear/LeapYearUnitTest.java
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core-java-modules/core-java-jvm/README.md
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@@ -12,3 +12,4 @@ This module contains articles about working with the Java Virtual Machine (JVM).
- [Guide to System.gc()](https://www.baeldung.com/java-system-gc)
- [Runtime.getRuntime().halt() vs System.exit() in Java](https://www.baeldung.com/java-runtime-halt-vs-system-exit)
- [Adding Shutdown Hooks for JVM Applications](https://www.baeldung.com/jvm-shutdown-hooks)
- [How to Get the Size of an Object in Java](http://www.baeldung.com/java-size-of-object)
core-java-modules/core-java/src/main/java/com/baeldung/objectsize/InstrumentationAgent.java → core-java-modules/core-java-jvm/src/main/java/com/baeldung/objectsize/InstrumentationAgent.java
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core-java-modules/core-java/src/main/java/com/baeldung/objectsize/InstrumentationExample.java → core-java-modules/core-java-jvm/src/main/java/com/baeldung/objectsize/InstrumentationExample.java
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core-java-modules/core-java/src/main/java/com/baeldung/objectsize/MANIFEST.MF → core-java-modules/core-java-jvm/src/main/java/com/baeldung/objectsize/MANIFEST.MF
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core-java-modules/core-java-reflection/README.MD
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@@ -8,3 +8,5 @@
- [Changing Annotation Parameters At Runtime](http://www.baeldung.com/java-reflection-change-annotation-params)
- [Dynamic Proxies in Java](http://www.baeldung.com/java-dynamic-proxies)
- [What Causes java.lang.reflect.InvocationTargetException?](https://www.baeldung.com/java-lang-reflect-invocationtargetexception)
- [How to Find all Getters Returning Null](http://www.baeldung.com/java-getters-returning-null)
- [How to Get a Name of a Method Being Executed?](http://www.baeldung.com/java-name-of-executing-method)
core-java-modules/core-java/src/test/java/com/baeldung/java/currentmethod/CurrentlyExecutedMethodFinderUnitTest.java → core-java-modules/core-java-reflection/src/test/java/com/baeldung/currentmethod/CurrentlyExecutedMethodFinderUnitTest.java
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core-java-modules/core-java-string-operations-2/README.md
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@@ -12,4 +12,6 @@ This module contains articles about string operations.
- [L-Trim and R-Trim Alternatives in Java](https://www.baeldung.com/java-trim-alternatives)
- [Java Convert PDF to Base64](https://www.baeldung.com/java-convert-pdf-to-base64)
- [Encode a String to UTF-8 in Java](https://www.baeldung.com/java-string-encode-utf-8)
- [Guide to Character Encoding](https://www.baeldung.com/java-char-encoding)
- [Convert Hex to ASCII in Java](https://www.baeldung.com/java-convert-hex-to-ascii) #remove additional readme file
- More articles: [[<-- prev]](../core-java-string-operations)
core-java-modules/core-java/src/main/java/com/baeldung/encoding/CharacterEncodingExamples.java → core-java-modules/core-java-string-operations-2/src/main/java/com/baeldung/encoding/CharacterEncodingExamples.java
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core-java-modules/core-java/src/test/java/com/baeldung/encoding/CharacterEncodingExamplesUnitTest.java → core-java-modules/core-java-string-operations-2/src/test/java/com/baeldung/encoding/CharacterEncodingExamplesUnitTest.java
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core-java-modules/core-java/src/test/java/com/baeldung/hexToAscii/HexToAsciiUnitTest.java → core-java-modules/core-java-string-operations-2/src/test/java/com/baeldung/hexToAscii/HexToAsciiUnitTest.java
View File
core-java-modules/core-java/src/test/java/com/baeldung/hexToAscii/README.md → core-java-modules/core-java-string-operations-2/src/test/java/com/baeldung/hexToAscii/README.md
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core-java-modules/core-java/src/test/resources/encoding.txt → core-java-modules/core-java-string-operations-2/src/test/resources/encoding.txt
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core-java-modules/core-java-string-operations-2/src/test/resources/output.pdf
BIN
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core-java-modules/core-java-time-measurements/README.md
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@@ -6,3 +6,4 @@ This module contains articles about the measurement of time in Java.
- [Guide to the Java Clock Class](http://www.baeldung.com/java-clock)
- [Measure Elapsed Time in Java](http://www.baeldung.com/java-measure-elapsed-time)
- [Overriding System Time for Testing in Java](https://www.baeldung.com/java-override-system-time)
- [Java Timer](http://www.baeldung.com/java-timer-and-timertask)
core-java-modules/core-java/src/main/java/com/baeldung/timer/DatabaseMigrationTask.java → core-java-modules/core-java-time-measurements/src/main/java/com/baeldung/timer/DatabaseMigrationTask.java
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core-java-modules/core-java/src/main/java/com/baeldung/timer/NewsletterTask.java → core-java-modules/core-java-time-measurements/src/main/java/com/baeldung/timer/NewsletterTask.java
View File
core-java-modules/core-java-time-measurements/src/test/java/com/baeldung/java/clock/ClockUnitTest.java → core-java-modules/core-java-time-measurements/src/test/java/com/baeldung/clock/ClockUnitTest.java
+1 -1
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@@ -1,4 +1,4 @@
package com.baeldung.java.clock;
package com.baeldung.clock;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertTrue;
core-java-modules/core-java/src/test/java/com/baeldung/timer/DatabaseMigrationTaskUnitTest.java → core-java-modules/core-java-time-measurements/src/test/java/com/baeldung/timer/DatabaseMigrationTaskUnitTest.java
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core-java-modules/core-java/src/test/java/com/baeldung/timer/JavaTimerLongRunningUnitTest.java → core-java-modules/core-java-time-measurements/src/test/java/com/baeldung/timer/JavaTimerLongRunningUnitTest.java
View File
core-java-modules/core-java/src/test/java/com/baeldung/timer/NewsletterTaskUnitTest.java → core-java-modules/core-java-time-measurements/src/test/java/com/baeldung/timer/NewsletterTaskUnitTest.java
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core-java-modules/core-java/README.md
+10 -32
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@@ -1,35 +1,13 @@
## Core Java Cookbooks and Examples
### Relevant Articles:
- [Java Timer](http://www.baeldung.com/java-timer-and-timertask)
- [Getting Started with Java Properties](http://www.baeldung.com/java-properties)
- [Introduction to Nashorn](http://www.baeldung.com/java-nashorn)
- [Java Money and the Currency API](http://www.baeldung.com/java-money-and-currency)
- [JVM Log Forging](http://www.baeldung.com/jvm-log-forging)
- [How to Find all Getters Returning Null](http://www.baeldung.com/java-getters-returning-null)
- [How to Get a Name of a Method Being Executed?](http://www.baeldung.com/java-name-of-executing-method)
- [Introduction to Java Serialization](http://www.baeldung.com/java-serialization)
- [Guide to UUID in Java](http://www.baeldung.com/java-uuid)
- [Creating a Java Compiler Plugin](http://www.baeldung.com/java-build-compiler-plugin)
- [Quick Guide to the Java Stack](https://www.baeldung.com/java-stack)
- [Compiling Java *.class Files with javac](http://www.baeldung.com/javac)
- [Introduction to Javadoc](http://www.baeldung.com/javadoc)
- [Guide to the Externalizable Interface in Java](http://www.baeldung.com/java-externalizable)
- [ASCII Art in Java](http://www.baeldung.com/ascii-art-in-java)
- [What is the serialVersionUID?](http://www.baeldung.com/java-serial-version-uid)
- [A Guide to the ResourceBundle](http://www.baeldung.com/java-resourcebundle)
- [Java Global Exception Handler](http://www.baeldung.com/java-global-exception-handler)
- [How to Get the Size of an Object in Java](http://www.baeldung.com/java-size-of-object)
- [Common Java Exceptions](http://www.baeldung.com/java-common-exceptions)
- [Merging java.util.Properties Objects](https://www.baeldung.com/java-merging-properties)
- [Java – Try with Resources](https://www.baeldung.com/java-try-with-resources)
- [Guide to Character Encoding](https://www.baeldung.com/java-char-encoding)
- [Graphs in Java](https://www.baeldung.com/java-graphs)
- [Read and Write User Input in Java](http://www.baeldung.com/java-console-input-output)
- [Formatting with printf() in Java](https://www.baeldung.com/java-printstream-printf)
- [Retrieve Fields from a Java Class Using Reflection](https://www.baeldung.com/java-reflection-class-fields)
- [Using Curl in Java](https://www.baeldung.com/java-curl)
- [Finding Leap Years in Java](https://www.baeldung.com/java-leap-year)
- [Making a JSON POST Request With HttpURLConnection](https://www.baeldung.com/httpurlconnection-post)
- [How to Find an Exception’s Root Cause in Java](https://www.baeldung.com/java-exception-root-cause)
- [Convert Hex to ASCII in Java](https://www.baeldung.com/java-convert-hex-to-ascii)
[Getting Started with Java Properties](http://www.baeldung.com/java-properties)
[Java Money and the Currency API](http://www.baeldung.com/java-money-and-currency)
[Introduction to Java Serialization](http://www.baeldung.com/java-serialization)
[Guide to UUID in Java](http://www.baeldung.com/java-uuid)
[Compiling Java *.class Files with javac](http://www.baeldung.com/javac)
[Introduction to Javadoc](http://www.baeldung.com/javadoc)
[Guide to the Externalizable Interface in Java](http://www.baeldung.com/java-externalizable)
[What is the serialVersionUID?](http://www.baeldung.com/java-serial-version-uid)
[A Guide to the ResourceBundle](http://www.baeldung.com/java-resourcebundle)
[Merging java.util.Properties Objects](https://www.baeldung.com/java-merging-properties)
core-java-modules/core-java/src/main/java/com/baeldung/graph/Graph.java
-101
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@@ -1,101 +0,0 @@
package com.baeldung.graph;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import java.util.stream.Collectors;
public class Graph {
private Map<Vertex, List<Vertex>> adjVertices;
Graph() {
this.adjVertices = new HashMap<Vertex, List<Vertex>>();
}
void addVertex(String label) {
adjVertices.putIfAbsent(new Vertex(label), new ArrayList<>());
}
void removeVertex(String label) {
Vertex v = new Vertex(label);
adjVertices.values().stream().forEach(e -> e.remove(v));
adjVertices.remove(new Vertex(label));
}
void addEdge(String label1, String label2) {
Vertex v1 = new Vertex(label1);
Vertex v2 = new Vertex(label2);
adjVertices.get(v1).add(v2);
adjVertices.get(v2).add(v1);
}
void removeEdge(String label1, String label2) {
Vertex v1 = new Vertex(label1);
Vertex v2 = new Vertex(label2);
List<Vertex> eV1 = adjVertices.get(v1);
List<Vertex> eV2 = adjVertices.get(v2);
if (eV1 != null)
eV1.remove(v2);
if (eV2 != null)
eV2.remove(v1);
}
List<Vertex> getAdjVertices(String label) {
return adjVertices.get(new Vertex(label));
}
String printGraph() {
StringBuffer sb = new StringBuffer();
for(Vertex v : adjVertices.keySet()) {
sb.append(v);
sb.append(adjVertices.get(v));
}
return sb.toString();
}
class Vertex {
String label;
Vertex(String label) {
this.label = label;
}
@Override
public int hashCode() {
final int prime = 31;
int result = 1;
result = prime * result + getOuterType().hashCode();
result = prime * result + ((label == null) ? 0 : label.hashCode());
return result;
}
@Override
public boolean equals(Object obj) {
if (this == obj)
return true;
if (obj == null)
return false;
if (getClass() != obj.getClass())
return false;
Vertex other = (Vertex) obj;
if (!getOuterType().equals(other.getOuterType()))
return false;
if (label == null) {
if (other.label != null)
return false;
} else if (!label.equals(other.label))
return false;
return true;
}
@Override
public String toString() {
return label;
}
private Graph getOuterType() {
return Graph.this;
}
}
}
core-java-modules/core-java/src/main/java/com/baeldung/graph/GraphTraversal.java
-44
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@@ -1,44 +0,0 @@
package com.baeldung.graph;
import java.util.LinkedHashSet;
import java.util.LinkedList;
import java.util.Queue;
import java.util.Set;
import java.util.Stack;
import com.baeldung.graph.Graph.Vertex;
public class GraphTraversal {
static Set<String> depthFirstTraversal(Graph graph, String root) {
Set<String> visited = new LinkedHashSet<String>();
Stack<String> stack = new Stack<String>();
stack.push(root);
while (!stack.isEmpty()) {
String vertex = stack.pop();
if (!visited.contains(vertex)) {
visited.add(vertex);
for (Vertex v : graph.getAdjVertices(vertex)) {
stack.push(v.label);
}
}
}
return visited;
}
static Set<String> breadthFirstTraversal(Graph graph, String root) {
Set<String> visited = new LinkedHashSet<String>();
Queue<String> queue = new LinkedList<String>();
queue.add(root);
visited.add(root);
while (!queue.isEmpty()) {
String vertex = queue.poll();
for (Vertex v : graph.getAdjVertices(vertex)) {
if (!visited.contains(v.label)) {
visited.add(v.label);
queue.add(v.label);
}
}
}
return visited;
}
}
core-java-modules/core-java/src/main/resources/js/bind.js
-15
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@@ -1,15 +0,0 @@
var first = {
name: "Whiskey",
age: 5
};
var second = {
volume: 100
};
Object.bindProperties(first, second);
print(first.volume);
second.volume = 1000;
print(first.volume);
core-java-modules/core-java/src/main/resources/js/locations.js
-1
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@@ -1 +0,0 @@
print(__FILE__, __LINE__, __DIR__);
core-java-modules/core-java/src/main/resources/js/math_module.js
-19
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@@ -1,19 +0,0 @@
var math = {
increment: function (num) {
return ++num;
},
failFunc: function () {
try {
throw "BOOM";
} catch (e if typeof e === 'string') {
print("String thrown: " + e);
}
catch (e) {
print("this shouldn't happen!");
}
}
};
math;
core-java-modules/core-java/src/main/resources/js/no_such.js
-11
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@@ -1,11 +0,0 @@
var demo = {
__noSuchProperty__: function (propName) {
print("Accessed non-existing property: " + propName);
},
__noSuchMethod__: function (methodName) {
print("Invoked non-existing method: " + methodName);
}
};
demo;
core-java-modules/core-java/src/main/resources/js/script.js
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@@ -1 +0,0 @@
function increment(num) ++num;
core-java-modules/core-java/src/main/resources/js/trim.js
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@@ -1,2 +0,0 @@
print(" hello world".trimLeft());
print("hello world ".trimRight());
core-java-modules/core-java/src/main/resources/js/typed_arrays.js
-9
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@@ -1,9 +0,0 @@
function arrays(arr) {
var javaIntArray = Java.to(arr, "int[]");
print(javaIntArray[0]);
print(javaIntArray[1]);
print(javaIntArray[2]);
}
arrays([100, "1654", true]);
core-java-modules/core-java/src/test/java/com/baeldung/graph/GraphUnitTest.java
-47
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@@ -1,47 +0,0 @@
package com.baeldung.graph;
import static org.junit.Assert.assertEquals;
import org.junit.Test;
public class GraphUnitTest {
@Test
public void givenAGraph_whenTraversingDepthFirst_thenExpectedResult() {
Graph graph = createGraph();
assertEquals("[Bob, Rob, Maria, Alice, Mark]",
GraphTraversal.depthFirstTraversal(graph, "Bob").toString());
}
@Test
public void givenAGraph_whenTraversingBreadthFirst_thenExpectedResult() {
Graph graph = createGraph();
assertEquals("[Bob, Alice, Rob, Mark, Maria]",
GraphTraversal.breadthFirstTraversal(graph, "Bob").toString());
}
@Test
public void givenAGraph_whenRemoveVertex_thenVertedNotFound() {
Graph graph = createGraph();
assertEquals("[Bob, Alice, Rob, Mark, Maria]",
GraphTraversal.breadthFirstTraversal(graph, "Bob").toString());
graph.removeVertex("Maria");
assertEquals("[Bob, Alice, Rob, Mark]",
GraphTraversal.breadthFirstTraversal(graph, "Bob").toString());
}
Graph createGraph() {
Graph graph = new Graph();
graph.addVertex("Bob");
graph.addVertex("Alice");
graph.addVertex("Mark");
graph.addVertex("Rob");
graph.addVertex("Maria");
graph.addEdge("Bob", "Alice");
graph.addEdge("Bob", "Rob");
graph.addEdge("Alice", "Mark");
graph.addEdge("Rob", "Mark");
graph.addEdge("Alice", "Maria");
graph.addEdge("Rob", "Maria");
return graph;
}
}
core-java-modules/core-java/src/test/java/com/baeldung/scripting/NashornUnitTest.java
-113
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@@ -1,113 +0,0 @@
package com.baeldung.scripting;
import org.junit.Assert;
import org.junit.Before;
import org.junit.Test;
import javax.script.Bindings;
import javax.script.Invocable;
import javax.script.ScriptEngine;
import javax.script.ScriptEngineManager;
import javax.script.ScriptException;
import java.io.InputStreamReader;
import java.util.List;
import java.util.Map;
public class NashornUnitTest {
private ScriptEngine engine;
@Before
public void setUp() {
engine = new ScriptEngineManager().getEngineByName("nashorn");
}
@Test
public void trim() throws ScriptException {
engine.eval(new InputStreamReader(NashornUnitTest.class.getResourceAsStream("/js/trim.js")));
}
@Test
public void locations() throws ScriptException {
engine.eval(new InputStreamReader(NashornUnitTest.class.getResourceAsStream("/js/locations.js")));
}
@Test
public void bindProperties() throws ScriptException {
engine.eval(new InputStreamReader(NashornUnitTest.class.getResourceAsStream("/js/bind.js")));
}
@Test
public void magicMethods() throws ScriptException {
engine.eval("var demo = load('classpath:js/no_such.js');" + "var tmp = demo.doesNotExist;" + "var none = demo.callNonExistingMethod()");
}
@Test
public void typedArrays() throws ScriptException {
engine.eval(new InputStreamReader(NashornUnitTest.class.getResourceAsStream("/js/typed_arrays.js")));
}
@Test
public void basicUsage() throws ScriptException {
Object result = engine.eval("var greeting='hello world';" + "print(greeting);" + "greeting");
Assert.assertEquals("hello world", result);
}
@Test
public void jsonObjectExample() throws ScriptException {
Object obj = engine.eval("Java.asJSONCompatible({ number: 42, greet: 'hello', primes: [2,3,5,7,11,13] })");
Map<String, Object> map = (Map<String, Object>) obj;
Assert.assertEquals("hello", map.get("greet"));
Assert.assertTrue(List.class.isAssignableFrom(map.get("primes").getClass()));
}
@Test
public void tryCatchGuard() throws ScriptException {
engine.eval("var math = loadWithNewGlobal('classpath:js/math_module.js');" + "math.failFunc();");
}
@Test
public void extensionsExamples() throws ScriptException {
String script = "var list = [1, 2, 3, 4, 5];" + "var result = '';" + "for each (var i in list) {" + "result+=i+'-';" + "};" + "print(result);";
engine.eval(script);
}
@Test
public void bindingsExamples() throws ScriptException {
Bindings bindings = engine.createBindings();
bindings.put("count", 3);
bindings.put("name", "baeldung");
String script = "var greeting='Hello ';" + "for(var i=count;i>0;i--) { " + "greeting+=name + ' '" + "}" + "greeting";
Object bindingsResult = engine.eval(script, bindings);
Assert.assertEquals("Hello baeldung baeldung baeldung ", bindingsResult);
}
@Test
public void jvmBoundaryExamples() throws ScriptException, NoSuchMethodException {
engine.eval("function composeGreeting(name) {" + "return 'Hello ' + name" + "}");
Invocable invocable = (Invocable) engine;
Object funcResult = invocable.invokeFunction("composeGreeting", "baeldung");
Assert.assertEquals("Hello baeldung", funcResult);
Object map = engine.eval("var HashMap = Java.type('java.util.HashMap');" + "var map = new HashMap();" + "map.put('hello', 'world');" + "map");
Assert.assertTrue(Map.class.isAssignableFrom(map.getClass()));
}
@Test
public void loadExamples() throws ScriptException {
Object loadResult = engine.eval("load('classpath:js/script.js');" + "increment(5)");
Assert.assertEquals(6, ((Double) loadResult).intValue());
Object math = engine.eval("var math = loadWithNewGlobal('classpath:js/math_module.js');" + "math.increment(5);");
Assert.assertEquals(6.0, math);
}
}