+6
-1
@@ -1,4 +1,5 @@
|
||||
*/bin/*
|
||||
bin/
|
||||
|
||||
*.class
|
||||
|
||||
@@ -21,6 +22,9 @@
|
||||
*.iws
|
||||
out/
|
||||
|
||||
# VSCode
|
||||
.vscode/
|
||||
|
||||
# Mac
|
||||
.DS_Store
|
||||
|
||||
@@ -77,4 +81,5 @@ apache-avro/src/main/java/com/baeldung/avro/model/
|
||||
jta/transaction-logs/
|
||||
software-security/sql-injection-samples/derby.log
|
||||
spring-soap/src/main/java/com/baeldung/springsoap/gen/
|
||||
/report-*.json
|
||||
/report-*.json
|
||||
transaction.log
|
||||
@@ -42,7 +42,7 @@
|
||||
<dependency>
|
||||
<groupId>com.github.dpaukov</groupId>
|
||||
<artifactId>combinatoricslib3</artifactId>
|
||||
<version>3.3.0</version>
|
||||
<version>${combinatoricslib3.version}</version>
|
||||
</dependency>
|
||||
</dependencies>
|
||||
|
||||
@@ -83,6 +83,7 @@
|
||||
<org.assertj.core.version>3.9.0</org.assertj.core.version>
|
||||
<commons-codec.version>1.11</commons-codec.version>
|
||||
<guava.version>27.0.1-jre</guava.version>
|
||||
<combinatoricslib3.version>3.3.0</combinatoricslib3.version>
|
||||
</properties>
|
||||
|
||||
</project>
|
||||
@@ -5,3 +5,5 @@
|
||||
- [Converting Between Roman and Arabic Numerals in Java](http://www.baeldung.com/java-convert-roman-arabic)
|
||||
- [Practical Java Examples of the Big O Notation](http://www.baeldung.com/java-algorithm-complexity)
|
||||
- [Checking If a List Is Sorted in Java](https://www.baeldung.com/java-check-if-list-sorted)
|
||||
- [Checking if a Java Graph has a Cycle](https://www.baeldung.com/java-graph-has-a-cycle)
|
||||
- [A Guide to the Folding Technique in Java](https://www.baeldung.com/folding-hashing-technique)
|
||||
|
||||
+1
-1
@@ -17,7 +17,7 @@
|
||||
<dependency>
|
||||
<groupId>junit</groupId>
|
||||
<artifactId>junit</artifactId>
|
||||
<version>4.10</version>
|
||||
<version>${junit.version}</version>
|
||||
<scope>test</scope>
|
||||
</dependency>
|
||||
<dependency>
|
||||
|
||||
@@ -3,37 +3,28 @@
|
||||
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>
|
||||
<parent>
|
||||
<groupId>org.springframework.boot</groupId>
|
||||
<artifactId>spring-boot-starter-parent</artifactId>
|
||||
<version>2.1.3.RELEASE</version>
|
||||
<relativePath /> <!-- lookup parent from repository -->
|
||||
</parent>
|
||||
<groupId>org.baeldung.examples.olingo2</groupId>
|
||||
<artifactId>olingo2-sample</artifactId>
|
||||
<version>0.0.1-SNAPSHOT</version>
|
||||
<name>olingo2-sample</name>
|
||||
<description>Sample Olingo 2 Project</description>
|
||||
|
||||
<properties>
|
||||
<java.version>1.8</java.version>
|
||||
<olingo2.version>2.0.11</olingo2.version>
|
||||
</properties>
|
||||
<parent>
|
||||
<artifactId>parent-boot-2</artifactId>
|
||||
<groupId>com.baeldung</groupId>
|
||||
<version>0.0.1-SNAPSHOT</version>
|
||||
<relativePath>../../parent-boot-2</relativePath>
|
||||
</parent>
|
||||
|
||||
<dependencies>
|
||||
|
||||
<dependency>
|
||||
<groupId>org.springframework.boot</groupId>
|
||||
<artifactId>spring-boot-starter-jersey</artifactId>
|
||||
</dependency>
|
||||
|
||||
|
||||
<dependency>
|
||||
<groupId>org.springframework.boot</groupId>
|
||||
<artifactId>spring-boot-starter-data-jpa</artifactId>
|
||||
</dependency>
|
||||
|
||||
|
||||
<dependency>
|
||||
<groupId>com.h2database</groupId>
|
||||
<artifactId>h2</artifactId>
|
||||
@@ -90,4 +81,8 @@
|
||||
</plugins>
|
||||
</build>
|
||||
|
||||
<properties>
|
||||
<olingo2.version>2.0.11</olingo2.version>
|
||||
</properties>
|
||||
|
||||
</project>
|
||||
|
||||
+1
-1
@@ -7,7 +7,7 @@ import org.springframework.test.context.junit4.SpringRunner;
|
||||
|
||||
@RunWith(SpringRunner.class)
|
||||
@SpringBootTest
|
||||
public class Olingo2SampleApplicationTests {
|
||||
public class Olingo2SampleApplicationUnitTest {
|
||||
|
||||
@Test
|
||||
public void contextLoads() {
|
||||
@@ -7,6 +7,13 @@
|
||||
<version>0.0.1</version>
|
||||
<name>apache-pulsar</name>
|
||||
|
||||
<parent>
|
||||
<groupId>com.baeldung</groupId>
|
||||
<artifactId>parent-modules</artifactId>
|
||||
<version>1.0.0-SNAPSHOT</version>
|
||||
<relativePath>..</relativePath>
|
||||
</parent>
|
||||
|
||||
<dependencies>
|
||||
<dependency>
|
||||
<groupId>org.apache.pulsar</groupId>
|
||||
|
||||
Executable → Regular
+1
-1
@@ -7,7 +7,7 @@ import org.apache.pulsar.client.api.Message;
|
||||
import org.apache.pulsar.client.api.PulsarClient;
|
||||
import org.apache.pulsar.client.api.SubscriptionType;
|
||||
|
||||
public class ConsumerTest {
|
||||
public class ConsumerUnitTest {
|
||||
|
||||
private static final String SERVICE_URL = "pulsar://localhost:6650";
|
||||
private static final String TOPIC_NAME = "test-topic";
|
||||
Executable → Regular
+1
-1
@@ -11,7 +11,7 @@ import org.apache.pulsar.client.api.PulsarClientException;
|
||||
import java.io.IOException;
|
||||
import java.util.stream.IntStream;
|
||||
|
||||
public class ProducerTest {
|
||||
public class ProducerUnitTest {
|
||||
|
||||
private static final String SERVICE_URL = "pulsar://localhost:6650";
|
||||
private static final String TOPIC_NAME = "test-topic";
|
||||
+1
-1
@@ -10,7 +10,7 @@ import org.apache.pulsar.client.api.SubscriptionType;
|
||||
|
||||
import java.util.stream.IntStream;
|
||||
|
||||
public class ExclusiveSubscriptionTest {
|
||||
public class ExclusiveSubscriptionUnitTest {
|
||||
private static final String SERVICE_URL = "pulsar://localhost:6650";
|
||||
private static final String TOPIC_NAME = "test-topic";
|
||||
private static final String SUBSCRIPTION_NAME = "test-subscription";
|
||||
+1
-1
@@ -11,7 +11,7 @@ import org.apache.pulsar.client.api.SubscriptionType;
|
||||
|
||||
import java.util.stream.IntStream;
|
||||
|
||||
public class FailoverSubscriptionTest {
|
||||
public class FailoverSubscriptionUnitTest {
|
||||
private static final String SERVICE_URL = "pulsar://localhost:6650";
|
||||
private static final String TOPIC_NAME = "failover-subscription-test-topic";
|
||||
private static final String SUBSCRIPTION_NAME = "test-subscription";
|
||||
@@ -49,6 +49,7 @@
|
||||
<version>${com.datastax.spark.spark-cassandra-connector-java.version}</version>
|
||||
</dependency>
|
||||
</dependencies>
|
||||
|
||||
<build>
|
||||
<plugins>
|
||||
<plugin>
|
||||
@@ -78,6 +79,7 @@
|
||||
</plugin>
|
||||
</plugins>
|
||||
</build>
|
||||
|
||||
<properties>
|
||||
<org.apache.spark.spark-core.version>2.3.0</org.apache.spark.spark-core.version>
|
||||
<org.apache.spark.spark-sql.version>2.3.0</org.apache.spark.spark-sql.version>
|
||||
|
||||
@@ -1,3 +1,4 @@
|
||||
### Relevant Articles:
|
||||
- [Introduction to AutoValue](http://www.baeldung.com/introduction-to-autovalue)
|
||||
- [Introduction to AutoFactory](http://www.baeldung.com/autofactory)
|
||||
- [Google AutoService](https://www.baeldung.com/google-autoservice)
|
||||
|
||||
@@ -112,7 +112,6 @@
|
||||
</repositories>
|
||||
|
||||
<properties>
|
||||
<commons-io.version>2.5</commons-io.version>
|
||||
<aws-lambda-java-events.version>1.3.0</aws-lambda-java-events.version>
|
||||
<aws-lambda-java-core.version>1.1.0</aws-lambda-java-core.version>
|
||||
<gson.version>2.8.0</gson.version>
|
||||
|
||||
@@ -65,7 +65,6 @@
|
||||
<properties>
|
||||
<main.class>com.baeldung.bootique.App</main.class>
|
||||
<bootique-bom.version>0.23</bootique-bom.version>
|
||||
|
||||
<maven-shade-plugin.version>2.4.3</maven-shade-plugin.version>
|
||||
</properties>
|
||||
|
||||
|
||||
@@ -6,4 +6,5 @@
|
||||
- [Template Engines in Groovy](https://www.baeldung.com/groovy-template-engines)
|
||||
- [Groovy def Keyword](https://www.baeldung.com/groovy-def-keyword)
|
||||
- [Pattern Matching in Strings in Groovy](https://www.baeldung.com/groovy-pattern-matching)
|
||||
- [Working with XML in Groovy](https://www.baeldung.com/groovy-xml)
|
||||
- [Working with XML in Groovy](https://www.baeldung.com/groovy-xml)
|
||||
- [Integrating Groovy into Java Applications](https://www.baeldung.com/groovy-java-applications)
|
||||
|
||||
+13
-16
@@ -157,27 +157,24 @@
|
||||
</repositories>
|
||||
|
||||
<pluginRepositories>
|
||||
<pluginRepository>
|
||||
<id>bintray</id>
|
||||
<name>Groovy Bintray</name>
|
||||
<url>https://dl.bintray.com/groovy/maven</url>
|
||||
<releases>
|
||||
<!-- avoid automatic updates -->
|
||||
<updatePolicy>never</updatePolicy>
|
||||
</releases>
|
||||
<snapshots>
|
||||
<enabled>false</enabled>
|
||||
</snapshots>
|
||||
</pluginRepository>
|
||||
</pluginRepositories>
|
||||
|
||||
<pluginRepository>
|
||||
<id>bintray</id>
|
||||
<name>Groovy Bintray</name>
|
||||
<url>https://dl.bintray.com/groovy/maven</url>
|
||||
<releases>
|
||||
<!-- avoid automatic updates -->
|
||||
<updatePolicy>never</updatePolicy>
|
||||
</releases>
|
||||
<snapshots>
|
||||
<enabled>false</enabled>
|
||||
</snapshots>
|
||||
</pluginRepository>
|
||||
</pluginRepositories>
|
||||
|
||||
<properties>
|
||||
<junit.platform.version>1.0.0</junit.platform.version>
|
||||
<hsqldb.version>2.4.0</hsqldb.version>
|
||||
<spock-core.version>1.1-groovy-2.4</spock-core.version>
|
||||
<commons-lang3.version>3.9</commons-lang3.version>
|
||||
<java.version>1.8</java.version>
|
||||
<maven-compiler-plugin.version>3.8.1</maven-compiler-plugin.version>
|
||||
<logback.version>1.2.3</logback.version>
|
||||
<groovy.version>2.5.7</groovy.version>
|
||||
|
||||
@@ -0,0 +1,52 @@
|
||||
package com.baeldung.concatenate
|
||||
|
||||
class Wonder {
|
||||
|
||||
String numOfWonder = 'seven'
|
||||
|
||||
String operator_plus() {
|
||||
return 'The ' + numOfWonder + ' wonders of the world'
|
||||
}
|
||||
|
||||
String operator_left() {
|
||||
return 'The ' << numOfWonder << ' wonders of ' << 'the world'
|
||||
}
|
||||
|
||||
String interpolation_one() {
|
||||
return "The $numOfWonder wonders of the world"
|
||||
|
||||
}
|
||||
|
||||
String interpolation_two() {
|
||||
return "The ${numOfWonder} wonders of the world"
|
||||
}
|
||||
|
||||
String multilineString() {
|
||||
return """
|
||||
There are $numOfWonder wonders of the world.
|
||||
Can you name them all?
|
||||
1. The Great Pyramid of Giza
|
||||
2. Hanging Gardens of Babylon
|
||||
3. Colossus of Rhode
|
||||
4. Lighthouse of Alexendra
|
||||
5. Temple of Artemis
|
||||
6. Status of Zeus at Olympia
|
||||
7. Mausoleum at Halicarnassus
|
||||
"""
|
||||
}
|
||||
|
||||
String method_concat() {
|
||||
return 'The '.concat(numOfWonder).concat(' wonders of the world')
|
||||
|
||||
}
|
||||
|
||||
String method_builder() {
|
||||
return new StringBuilder()
|
||||
.append('The ').append(numOfWonder).append(' wonders of the world')
|
||||
}
|
||||
|
||||
String method_buffer() {
|
||||
return new StringBuffer()
|
||||
.append('The ').append(numOfWonder).append(' wonders of the world')
|
||||
}
|
||||
}
|
||||
@@ -0,0 +1,69 @@
|
||||
package com.baeldung.concatenate
|
||||
|
||||
import org.junit.Before
|
||||
import org.junit.Test
|
||||
|
||||
import static org.junit.Assert.*
|
||||
|
||||
class WonderUnitTest {
|
||||
|
||||
static final String EXPECTED_SINGLE_LINE = "The seven wonders of the world"
|
||||
|
||||
Wonder wonder
|
||||
|
||||
@Before
|
||||
void before() {
|
||||
wonder = new Wonder()
|
||||
}
|
||||
|
||||
@Test
|
||||
void whenUsingOperatorPlus_thenConcatCorrectly() {
|
||||
assertEquals(EXPECTED_SINGLE_LINE, wonder.operator_plus())
|
||||
}
|
||||
|
||||
@Test
|
||||
void whenUsingOperatorLeft_thenConcatCorrectly() {
|
||||
assertEquals(EXPECTED_SINGLE_LINE, wonder.operator_left())
|
||||
}
|
||||
|
||||
@Test
|
||||
void whenUsingInterpolationOne_thenConcatCorrectly() {
|
||||
assertEquals(EXPECTED_SINGLE_LINE, wonder.interpolation_one())
|
||||
}
|
||||
|
||||
@Test
|
||||
void whenUsingInterpolationTwo_thenConcatCorrectly() {
|
||||
assertEquals(EXPECTED_SINGLE_LINE, wonder.interpolation_two())
|
||||
}
|
||||
|
||||
@Test
|
||||
void whenUsingMultiline_thenConcatCorrectly() {
|
||||
def expectedMultiline = """
|
||||
There are seven wonders of the world.
|
||||
Can you name them all?
|
||||
1. The Great Pyramid of Giza
|
||||
2. Hanging Gardens of Babylon
|
||||
3. Colossus of Rhode
|
||||
4. Lighthouse of Alexendra
|
||||
5. Temple of Artemis
|
||||
6. Status of Zeus at Olympia
|
||||
7. Mausoleum at Halicarnassus
|
||||
"""
|
||||
assertEquals(expectedMultiline, wonder.multilineString())
|
||||
}
|
||||
|
||||
@Test
|
||||
void whenUsingMethodConcat_thenConcatCorrectly() {
|
||||
assertEquals(EXPECTED_SINGLE_LINE, wonder.method_concat())
|
||||
}
|
||||
|
||||
@Test
|
||||
void whenUsingMethodBuilder_thenConcatCorrectly() {
|
||||
assertEquals(EXPECTED_SINGLE_LINE, wonder.method_builder())
|
||||
}
|
||||
|
||||
@Test
|
||||
void whenUsingMethodBuffer_thenConcatCorrectly() {
|
||||
assertEquals(EXPECTED_SINGLE_LINE, wonder.method_buffer())
|
||||
}
|
||||
}
|
||||
@@ -3,3 +3,4 @@
|
||||
- [Multi-Module Maven Application with Java Modules](https://www.baeldung.com/maven-multi-module-project-java-jpms)
|
||||
- [Guide to Java FileChannel](https://www.baeldung.com/java-filechannel)
|
||||
- [Understanding the NumberFormatException in Java](https://www.baeldung.com/java-number-format-exception)
|
||||
- [Will an Error Be Caught by Catch Block in Java?](https://www.baeldung.com/java-error-catch)
|
||||
|
||||
@@ -5,3 +5,4 @@
|
||||
- [Guide to Java 10](http://www.baeldung.com/java-10-overview)
|
||||
- [Copy a List to Another List in Java](http://www.baeldung.com/java-copy-list-to-another)
|
||||
- [Deep Dive Into the New Java JIT Compiler – Graal](https://www.baeldung.com/graal-java-jit-compiler)
|
||||
- [Copying Sets in Java](https://www.baeldung.com/java-copy-sets)
|
||||
|
||||
@@ -0,0 +1,3 @@
|
||||
## Relevant articles:
|
||||
|
||||
- [Negate a Predicate Method Reference with Java 11](https://www.baeldung.com/java-negate-predicate-method-reference)
|
||||
@@ -0,0 +1,3 @@
|
||||
## Relevant articles:
|
||||
|
||||
- [String API Updates in Java 12](https://www.baeldung.com/java12-string-api)
|
||||
@@ -6,3 +6,4 @@
|
||||
- [Anonymous Classes in Java](http://www.baeldung.com/)
|
||||
- [How to Delay Code Execution in Java](https://www.baeldung.com/java-delay-code-execution)
|
||||
- [Run JAR Application With Command Line Arguments](https://www.baeldung.com/java-run-jar-with-arguments)
|
||||
- [Java 8 Stream skip() vs limit()](https://www.baeldung.com/java-stream-skip-vs-limit)
|
||||
|
||||
@@ -9,7 +9,6 @@
|
||||
<name>core-java-8-2</name>
|
||||
<packaging>jar</packaging>
|
||||
|
||||
|
||||
<parent>
|
||||
<groupId>com.baeldung</groupId>
|
||||
<artifactId>parent-java</artifactId>
|
||||
@@ -17,19 +16,18 @@
|
||||
<relativePath>../../parent-java</relativePath>
|
||||
</parent>
|
||||
|
||||
<properties>
|
||||
<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
|
||||
<maven.compiler.source>1.8</maven.compiler.source>
|
||||
<maven.compiler.target>1.8</maven.compiler.target>
|
||||
<icu.version>64.2</icu.version>
|
||||
</properties>
|
||||
|
||||
<dependencies>
|
||||
<dependency>
|
||||
<groupId>com.ibm.icu</groupId>
|
||||
<artifactId>icu4j</artifactId>
|
||||
<version>${icu.version}</version>
|
||||
</dependency>
|
||||
<dependency>
|
||||
<groupId>org.assertj</groupId>
|
||||
<artifactId>assertj-core</artifactId>
|
||||
<version>${assertj.version}</version>
|
||||
<scope>test</scope>
|
||||
</dependency>
|
||||
</dependencies>
|
||||
|
||||
<build>
|
||||
@@ -44,6 +42,13 @@
|
||||
</configuration>
|
||||
</plugin>
|
||||
</plugins>
|
||||
|
||||
</build>
|
||||
|
||||
<properties>
|
||||
<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
|
||||
<maven.compiler.source>1.8</maven.compiler.source>
|
||||
<maven.compiler.target>1.8</maven.compiler.target>
|
||||
<icu.version>64.2</icu.version>
|
||||
<assertj.version>3.12.2</assertj.version>
|
||||
</properties>
|
||||
</project>
|
||||
|
||||
+164
@@ -0,0 +1,164 @@
|
||||
package com.baeldung.bifunction;
|
||||
|
||||
import org.junit.Test;
|
||||
|
||||
import java.util.ArrayList;
|
||||
import java.util.Arrays;
|
||||
import java.util.Comparator;
|
||||
import java.util.List;
|
||||
import java.util.function.BiFunction;
|
||||
import java.util.stream.Collectors;
|
||||
import java.util.stream.Stream;
|
||||
|
||||
import static org.assertj.core.api.Assertions.assertThat;
|
||||
|
||||
public class BiFunctionalInterfacesUnitTest {
|
||||
@Test
|
||||
public void givenStreamValues_whenMappedToNewValues() {
|
||||
List<String> mapped = Stream.of("hello", "world")
|
||||
.map(word -> word + "!")
|
||||
.collect(Collectors.toList());
|
||||
|
||||
assertThat(mapped).containsExactly("hello!", "world!");
|
||||
}
|
||||
|
||||
@Test
|
||||
public void givenStreamValues_whenReducedWithPrefixingOperation() {
|
||||
String result = Stream.of("hello", "world")
|
||||
.reduce("", (a, b) -> b + "-" + a);
|
||||
|
||||
assertThat(result).isEqualTo("world-hello-");
|
||||
}
|
||||
|
||||
@Test
|
||||
public void givenStreamValues_whenReducedWithPrefixingLambda_thenHasNoTrailingDash() {
|
||||
String result = Stream.of("hello", "world")
|
||||
.reduce("", (a, b) -> combineWithoutTrailingDash(a, b));
|
||||
|
||||
assertThat(result).isEqualTo("world-hello");
|
||||
}
|
||||
|
||||
private String combineWithoutTrailingDash(String a, String b) {
|
||||
if (a.isEmpty()) {
|
||||
return b;
|
||||
}
|
||||
return b + "-" + a;
|
||||
}
|
||||
|
||||
@Test
|
||||
public void givenStreamValues_whenReducedWithPrefixingMethodReference_thenHasNoTrailingDash() {
|
||||
String result = Stream.of("hello", "world")
|
||||
.reduce("", this::combineWithoutTrailingDash);
|
||||
|
||||
assertThat(result).isEqualTo("world-hello");
|
||||
}
|
||||
|
||||
@Test
|
||||
public void givenTwoLists_whenCombined() {
|
||||
List<String> list1 = Arrays.asList("a", "b", "c");
|
||||
List<Integer> list2 = Arrays.asList(1, 2, 3);
|
||||
|
||||
List<String> result = new ArrayList<>();
|
||||
for (int i=0; i < list1.size(); i++) {
|
||||
result.add(list1.get(i) + list2.get(i));
|
||||
}
|
||||
|
||||
assertThat(result).containsExactly("a1", "b2", "c3");
|
||||
}
|
||||
|
||||
@Test
|
||||
public void givenTwoLists_whenCombinedWithGeneralPurposeCombiner() {
|
||||
List<String> list1 = Arrays.asList("a", "b", "c");
|
||||
List<Integer> list2 = Arrays.asList(1, 2, 3);
|
||||
|
||||
List<String> result = listCombiner(list1, list2, (a, b) -> a + b);
|
||||
|
||||
assertThat(result).containsExactly("a1", "b2", "c3");
|
||||
}
|
||||
|
||||
private static <T, U, R> List<R> listCombiner(List<T> list1,
|
||||
List<U> list2,
|
||||
BiFunction<T, U, R> combiner) {
|
||||
List<R> result = new ArrayList<>();
|
||||
for (int i = 0; i < list1.size(); i++) {
|
||||
result.add(combiner.apply(list1.get(i), list2.get(i)));
|
||||
}
|
||||
return result;
|
||||
}
|
||||
|
||||
@Test
|
||||
public void givenTwoLists_whenComparedWithCombiningFunction() {
|
||||
List<Double> list1 = Arrays.asList(1.0d, 2.1d, 3.3d);
|
||||
List<Float> list2 = Arrays.asList(0.1f, 0.2f, 4f);
|
||||
|
||||
// algorithm to determine if the value in list1 > value in list 2
|
||||
List<Boolean> result = listCombiner(list1, list2, (a, b) -> a > b);
|
||||
|
||||
assertThat(result).containsExactly(true, true, false);
|
||||
}
|
||||
|
||||
@Test
|
||||
public void givenTwoLists_whenComparedWithCombiningFunctionByMethodReference() {
|
||||
List<Double> list1 = Arrays.asList(1.0d, 2.1d, 3.3d);
|
||||
List<Float> list2 = Arrays.asList(0.1f, 0.2f, 4f);
|
||||
|
||||
// algorithm to determine if the value in list1 > value in list 2
|
||||
List<Boolean> result = listCombiner(list1, list2, this::firstIsGreaterThanSecond);
|
||||
|
||||
assertThat(result).containsExactly(true, true, false);
|
||||
}
|
||||
|
||||
private boolean firstIsGreaterThanSecond(Double a, Float b) {
|
||||
return a > b;
|
||||
}
|
||||
|
||||
@Test
|
||||
public void givenTwoLists_whenComparedForEqualityByCombiningFunction() {
|
||||
List<Float> list1 = Arrays.asList(0.1f, 0.2f, 4f);
|
||||
List<Float> list2 = Arrays.asList(0.1f, 0.2f, 4f);
|
||||
|
||||
List<Boolean> result = listCombiner(list1, list2, (a, b) -> a.equals(b));
|
||||
|
||||
assertThat(result).containsExactly(true, true, true);
|
||||
}
|
||||
|
||||
@Test
|
||||
public void givenTwoLists_whenComparedForEqualityByCombiningFunctionWithMethodReference() {
|
||||
List<Float> list1 = Arrays.asList(0.1f, 0.2f, 4f);
|
||||
List<Float> list2 = Arrays.asList(0.1f, 0.2f, 4f);
|
||||
|
||||
List<Boolean> result = listCombiner(list1, list2, Float::equals);
|
||||
|
||||
assertThat(result).containsExactly(true, true, true);
|
||||
}
|
||||
|
||||
@Test
|
||||
public void givenTwoLists_whenComparedWithCombiningFunctionWithCompareTo() {
|
||||
List<Double> list1 = Arrays.asList(1.0d, 2.1d, 3.3d);
|
||||
List<Double> list2 = Arrays.asList(0.1d, 0.2d, 4d);
|
||||
|
||||
List<Integer> result = listCombiner(list1, list2, Double::compareTo);
|
||||
|
||||
assertThat(result).containsExactly(1, 1, -1);
|
||||
}
|
||||
|
||||
/**
|
||||
* Allows you to to pass in a lambda or method reference and then
|
||||
* get access to the BiFunction it is meant to become
|
||||
*/
|
||||
private static <T, U, R> BiFunction<T, U, R> asBiFunction(BiFunction<T, U, R> function) {
|
||||
return function;
|
||||
}
|
||||
|
||||
@Test
|
||||
public void givenTwoLists_whenComparedWithCombiningFunctionWithComposedBiFunction() {
|
||||
List<Double> list1 = Arrays.asList(1.0d, 2.1d, 3.3d);
|
||||
List<Double> list2 = Arrays.asList(0.1d, 0.2d, 4d);
|
||||
|
||||
List<Boolean> result = listCombiner(list1, list2,
|
||||
asBiFunction(Double::compareTo)
|
||||
.andThen(i -> i > 0));
|
||||
|
||||
assertThat(result).containsExactly(true, true, false);
|
||||
}
|
||||
}
|
||||
@@ -40,3 +40,4 @@
|
||||
- [Java 8 Predicate Chain](https://www.baeldung.com/java-predicate-chain)
|
||||
- [Method References in Java](https://www.baeldung.com/java-method-references)
|
||||
- [Creating a Custom Annotation in Java](https://www.baeldung.com/java-custom-annotation)
|
||||
- [The Difference Between Collection.stream().forEach() and Collection.forEach()](https://www.baeldung.com/java-collection-stream-foreach)
|
||||
|
||||
@@ -175,7 +175,6 @@
|
||||
|
||||
<properties>
|
||||
<!-- util -->
|
||||
<commons-lang3.version>3.5</commons-lang3.version>
|
||||
<commons-math3.version>3.6.1</commons-math3.version>
|
||||
<commons-collections4.version>4.1</commons-collections4.version>
|
||||
<collections-generic.version>4.01</collections-generic.version>
|
||||
|
||||
+11
@@ -259,4 +259,15 @@ public class OptionalUnitTest {
|
||||
LOG.debug("Getting default value...");
|
||||
return "Default Value";
|
||||
}
|
||||
|
||||
// Uncomment code when code base is compatiable with Java 11
|
||||
// @Test
|
||||
// public void givenAnEmptyOptional_thenIsEmptyBehavesAsExpected() {
|
||||
// Optional<String> opt = Optional.of("Baeldung");
|
||||
// assertFalse(opt.isEmpty());
|
||||
//
|
||||
// opt = Optional.ofNullable(null);
|
||||
// assertTrue(opt.isEmpty());
|
||||
// }
|
||||
|
||||
}
|
||||
@@ -389,7 +389,7 @@
|
||||
<properties>
|
||||
|
||||
<!-- util -->
|
||||
<commons-lang3.version>3.8.1</commons-lang3.version>
|
||||
<commons-lang3.version>3.9</commons-lang3.version>
|
||||
|
||||
<jmh-core.version>1.19</jmh-core.version>
|
||||
<jmh-generator-annprocess.version>1.19</jmh-generator-annprocess.version>
|
||||
|
||||
Some files were not shown because too many files have changed in this diff Show More
Reference in New Issue
Block a user