Merge remote-tracking branch 'upstream/master'

2017-02-15 20:14:13 -07:00
parent 551d124e8b a4c5fb1c12
commit 2fabf7c26f
100 changed files with 1911 additions and 409 deletions
@@ -0,0 +1,101 @@
+<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/maven-v4_0_0.xsd">
+
+    <modelVersion>4.0.0</modelVersion>
+    <groupId>com.baeldung</groupId>
+    <version>0.1-SNAPSHOT</version>
+    <artifactId>apache-velocity</artifactId>
+
+    <packaging>war</packaging>
+    <name>apache-velocity</name>
+
+    <properties>
+        <jdk.version>1.8</jdk.version>
+        <jstl.version>1.2</jstl.version>
+        <junit.version>4.11</junit.version>
+        <logback.version>1.0.13</logback.version>
+        <jcl-over-slf4j.version>1.7.5</jcl-over-slf4j.version>
+        <maven-compiler-plugin.version>3.6.0</maven-compiler-plugin.version>
+        <maven-war-plugin.version>2.6</maven-war-plugin.version>
+        <maven-surefire-plugin.version>2.19.1</maven-surefire-plugin.version>
+        <org.apache.httpcomponents.version>4.5.2</org.apache.httpcomponents.version>
+        <velocity-version>1.7</velocity-version>
+        <velocity-tools-version>2.0</velocity-tools-version>
+    </properties>
+
+    <dependencies>
+        <dependency>
+            <groupId>junit</groupId>
+            <artifactId>junit</artifactId>
+            <version>${junit.version}</version>
+            <scope>test</scope>
+        </dependency>
+        <dependency>
+            <groupId>org.apache.velocity</groupId>
+            <artifactId>velocity</artifactId>
+            <version>${velocity-version}</version>
+        </dependency>
+        <dependency>
+            <groupId>org.apache.velocity</groupId>
+            <artifactId>velocity-tools</artifactId>
+            <version>${velocity-tools-version}</version>
+        </dependency>
+        <dependency>
+            <groupId>org.slf4j</groupId>
+            <artifactId>jcl-over-slf4j</artifactId>
+            <version>${jcl-over-slf4j.version}</version>
+        </dependency>
+        <dependency>
+            <groupId>ch.qos.logback</groupId>
+            <artifactId>logback-classic</artifactId>
+            <version>${logback.version}</version>
+        </dependency>
+        <dependency>
+            <groupId>org.apache.httpcomponents</groupId>
+            <artifactId>httpclient</artifactId>
+            <version>${org.apache.httpcomponents.version}</version>
+            <scope>test</scope>
+        </dependency>
+    </dependencies>
+    <build>
+        <finalName>apache-velocity</finalName>
+        <resources>
+            <resource>
+                <directory>src/main/resources</directory>
+                <filtering>true</filtering>
+            </resource>
+        </resources>
+        <plugins>
+            <plugin>
+                <groupId>org.apache.maven.plugins</groupId>
+                <artifactId>maven-compiler-plugin</artifactId>
+                <version>${maven-compiler-plugin.version}</version>
+                <configuration>
+                    <source>${jdk.version}</source>
+                    <target>${jdk.version}</target>
+                </configuration>
+            </plugin>
+            <plugin>
+                <groupId>org.apache.maven.plugins</groupId>
+                <artifactId>maven-war-plugin</artifactId>
+                <version>${maven-war-plugin.version}</version>
+                <configuration>
+                    <failOnMissingWebXml>false</failOnMissingWebXml>
+                </configuration>
+            </plugin>
+
+            <plugin>
+                <groupId>org.apache.maven.plugins</groupId>
+                <artifactId>maven-surefire-plugin</artifactId>
+                <version>${maven-surefire-plugin.version}</version>
+                <configuration>
+                    <excludes>
+                        <exclude>**/*LiveTest.java</exclude>
+                    </excludes>
+                    <systemPropertyVariables>
+                    </systemPropertyVariables>
+                </configuration>
+            </plugin>
+        </plugins>
+    </build>
+</project>
@@ -0,0 +1,33 @@
+package com.baeldung.apache.velocity.model;
+
+public class Product {
+
+	private String name;
+	private double price;
+
+	public Product(String name, double price) {
+		this.name = name;
+		this.price = price;
+	}
+
+	public String getName() {
+		return name;
+	}
+
+	public void setName(String name) {
+		this.name = name;
+	}
+
+	public double getPrice() {
+		return price;
+	}
+
+	public void setPrice(double price) {
+		this.price = price;
+	}
+
+	@Override
+	public String toString() {
+		return "Product{" + "name='" + name + '\'' + ", price=" + price + '}';
+	}
+}
@@ -0,0 +1,20 @@
+package com.baeldung.apache.velocity.service;
+
+import com.baeldung.apache.velocity.model.Product;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+import java.util.Arrays;
+import java.util.List;
+
+public class ProductService {
+
+	Logger logger = LoggerFactory.getLogger(ProductService.class);
+
+	public List<Product> getProducts() {
+        logger.debug("Product service returning list of products");
+
+		return Arrays.asList(new Product("Laptop", 31000.00), new Product("Mobile", 16000.00),
+				new Product("Tablet", 15000.00), new Product("Camera", 23000.00));
+	}
+}
@@ -0,0 +1,41 @@
+package com.baeldung.apache.velocity.servlet;
+
+import com.baeldung.apache.velocity.model.Product;
+import com.baeldung.apache.velocity.service.ProductService;
+import org.apache.velocity.Template;
+import org.apache.velocity.context.Context;
+import org.apache.velocity.tools.view.VelocityLayoutServlet;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+import javax.servlet.http.HttpServletRequest;
+import javax.servlet.http.HttpServletResponse;
+import java.util.List;
+
+public class LayoutServlet extends VelocityLayoutServlet {
+	ProductService service = new ProductService();
+
+	@Override
+	public Template handleRequest(HttpServletRequest request, HttpServletResponse response, Context context) {
+
+        Logger logger= LoggerFactory.getLogger(LayoutServlet.class);
+
+		List<Product> products = service.getProducts();
+
+		context.put("products", products);
+
+		Template template = null;
+
+		try {
+			template = getTemplate("templates/layoutdemo.vm");
+
+			response.setHeader("Template Returned", "Success");
+		} catch (Exception e) {
+			logger.error("Error while reading the template ",e);
+		}
+
+		return template;
+
+	}
+
+}
@@ -0,0 +1,40 @@
+package com.baeldung.apache.velocity.servlet;
+
+import com.baeldung.apache.velocity.model.Product;
+import com.baeldung.apache.velocity.service.ProductService;
+import org.apache.velocity.Template;
+import org.apache.velocity.context.Context;
+import org.apache.velocity.tools.view.VelocityViewServlet;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+import javax.servlet.http.HttpServletRequest;
+import javax.servlet.http.HttpServletResponse;
+import java.util.List;
+
+public class ProductServlet extends VelocityViewServlet {
+
+	ProductService service = new ProductService();
+
+	@Override
+	public Template handleRequest(HttpServletRequest request, HttpServletResponse response, Context context) {
+
+		Logger logger= LoggerFactory.getLogger(ProductServlet.class);
+
+		List<Product> products = service.getProducts();
+
+		context.put("products", products);
+
+		Template template = null;
+
+		try {
+			template = getTemplate("templates/index.vm");
+			response.setHeader("Template Returned", "Success");
+		} catch (Exception e) {
+			logger.error("Error while reading the template ", e);
+		}
+
+		return template;
+
+	}
+}
@@ -0,0 +1,23 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<configuration>
+    
+	<appender name="STDOUT" class="ch.qos.logback.core.ConsoleAppender">
+		<layout class="ch.qos.logback.classic.PatternLayout">
+
+			<Pattern>
+				%d{yyyy-MM-dd HH:mm:ss} [%thread] %-5level %logger{36} - %msg%n
+			</Pattern>
+
+		</layout>
+	</appender>
+
+	<logger name="com.baeldung.apache.velocity.service" level="debug"
+		additivity="false">
+		<appender-ref ref="STDOUT" />
+	</logger>
+
+	<root level="error">
+		<appender-ref ref="STDOUT" />
+	</root>
+
+</configuration>
@@ -0,0 +1,4 @@
+resource.loader=webapp
+webapp.resource.loader.class=org.apache.velocity.tools.view.WebappResourceLoader
+webapp.resource.loader.path = .
+webapp.resource.loader.cache = true
@@ -0,0 +1,49 @@
+<!DOCTYPE web-app PUBLIC
+ "-//Sun Microsystems, Inc.//DTD Web Application 2.3//EN"
+ "http://java.sun.com/dtd/web-app_2_3.dtd" >
+
+<web-app>
+	<display-name>apache-velocity</display-name>
+	<servlet>
+		<servlet-name>ProductServlet</servlet-name>
+		<servlet-class>com.baeldung.apache.velocity.servlet.ProductServlet</servlet-class>
+	</servlet>
+
+	<servlet>
+		<servlet-name>LayoutServlet</servlet-name>
+		<servlet-class>com.baeldung.apache.velocity.servlet.LayoutServlet</servlet-class>
+	</servlet>
+	<servlet>
+		<servlet-name>velocityLayout</servlet-name>
+		<servlet-class>org.apache.velocity.tools.view.VelocityLayoutServlet</servlet-class>
+
+		<init-param>
+			<param-name>org.apache.velocity.properties</param-name>
+			<param-value>/WEB-INF/velocity.properties</param-value>
+		</init-param>
+	</servlet>
+	<servlet-mapping>
+		<servlet-name>ProductServlet</servlet-name>
+		<url-pattern>/</url-pattern>
+	</servlet-mapping>
+
+    <servlet-mapping>
+        <servlet-name>LayoutServlet</servlet-name>
+        <url-pattern>/layout</url-pattern>
+    </servlet-mapping>
+	<servlet-mapping>
+		<servlet-name>velocityLayout</servlet-name>
+		<url-pattern>*.vm</url-pattern>
+	</servlet-mapping>
+	<!-- session timeout -->
+	<session-config>
+		<session-timeout>
+			30
+		</session-timeout>
+	</session-config>
+
+	<!-- welcome file -->
+	<welcome-file-list>
+		<welcome-file>index.html</welcome-file>
+	</welcome-file-list>
+</web-app>
@@ -0,0 +1,4 @@
+<div
+   style="background: #63B175; text-align: center; padding: 5px; margin-top: 10px;">
+   @Copyright baeldung.com
+</div>
@@ -0,0 +1,5 @@
+<div style="background: #63B175; height: 80px; padding: 5px;">
+  <div style="float: left">
+      <h1> Layout Demo Page</h1>
+  </div>
+</div> 
@@ -0,0 +1,22 @@
+<html>
+<head>
+ <title>Velocity</title>
+</head>
+<body>
+  <div>
+      #parse("/fragments/header.vm")
+  </div>
+  
+  
+  <div>
+  
+    <!-- View index.vm is inserted here -->
+    $screen_content
+ 
+  </div>
+  
+  <div>
+      #parse("/fragments/footer.vm")
+  </div>
+</body>
+</html>
@@ -0,0 +1,63 @@
+<HTML>
+<HEAD>
+    <TITLE>Online Electronic Store</TITLE>
+    <style>
+        body {background-color: powderblue;}
+        h1   {color: blue;}
+        p    {color: red;}
+        table.gridtable {
+            font-family: verdana,arial,sans-serif;
+            font-size:11px;
+            color:#333333;
+            border-width: 1px;
+            border-color: #666666;
+            border-collapse: collapse;
+        }
+        table.gridtable th {
+            border-width: 1px;
+            padding: 8px;
+            border-style: solid;
+            border-color: #666666;
+            background-color: #dedede;
+        }
+        table.gridtable td {
+            border-width: 1px;
+            padding: 8px;
+            border-style: solid;
+            border-color: #666666;
+            background-color: #ffffff;
+        }
+
+    </style>
+
+</HEAD>
+<BODY>
+<CENTER>
+    <h1>Today's Offers</h1>
+    <BR/>
+    <BR/>
+    <h2>$products.size() Products on Sale!</h2>
+    <BR/>
+    We are proud to offer these fine products
+    at these amazing prices.
+    <BR/>
+    <BR/>
+    #set( $count = 1 )
+    <TABLE class="gridtable">
+        <TR>
+            <TH>Serial #</TH><TH>Product Name</TH><TH>Price</TH>
+        </TR>
+        #foreach( $product in $products )
+            <TR>
+                <TD>$count)</TD>
+                <TD>$product.getName()</TD>
+                <TD>$product.getPrice()</TD>
+            </TR>
+            #set( $count = $count + 1 )
+        #end
+    </TABLE>
+    <BR/>
+</CENTER>
+
+</BODY>
+</HTML>
@@ -0,0 +1,27 @@
+#set( $layout = "layout.vm" )
+<CENTER>
+    <h1>Today's Offers</h1>
+    <BR/>
+    <BR/>
+    <h2>$products.size() Products on Sale!</h2>
+    <BR/>
+    We are proud to offer these fine products
+    at these amazing prices.
+    <BR/>
+    <BR/>
+    #set( $count = 1 )
+    <TABLE class="gridtable">
+        <TR>
+            <TH>Serial #</TH><TH>Product Name</TH><TH>Price</TH>
+        </TR>
+        #foreach( $product in $products )
+            <TR>
+                <TD>$count)</TD>
+                <TD>$product.getName()</TD>
+                <TD>$product.getPrice()</TD>
+            </TR>
+            #set( $count = $count + 1 )
+        #end
+    </TABLE>
+    <BR/>
+</CENTER>
@@ -0,0 +1,26 @@
+package com.baeldung.apache.velocity.servlet;
+
+import org.apache.http.HttpResponse;
+import org.apache.http.client.HttpClient;
+import org.apache.http.client.methods.HttpGet;
+import org.apache.http.impl.client.DefaultHttpClient;
+import org.junit.Test;
+
+import static org.junit.Assert.assertEquals;
+
+
+public class LayoutServletLiveTest {
+
+    @Test
+    public void whenRequestUsingHttpClient_thenCorrectResponse() throws Exception {
+
+        HttpClient client = new DefaultHttpClient();
+        HttpGet method= new HttpGet("http://localhost:8080/layout");
+
+        HttpResponse httpResponse = client.execute(method);
+
+        assertEquals("Success", httpResponse.getHeaders("Template Returned")[0].getValue());
+
+    }
+
+}
@@ -0,0 +1,24 @@
+package com.baeldung.apache.velocity.servlet;
+
+import org.apache.http.HttpResponse;
+import org.apache.http.client.HttpClient;
+import org.apache.http.client.methods.HttpGet;
+import org.apache.http.impl.client.DefaultHttpClient;
+import org.junit.Test;
+
+import static org.junit.Assert.assertEquals;
+
+public class ProductServletLiveTest {
+
+    @Test
+    public void whenRequestUsingHttpClient_thenCorrectResponse() throws Exception {
+
+        HttpClient client = new DefaultHttpClient();
+        HttpGet method= new HttpGet("http://localhost:8080/");
+
+        HttpResponse httpResponse = client.execute(method);
+
+        assertEquals("Success", httpResponse.getHeaders("Template Returned")[0].getValue());
+
+    }
+}
@@ -57,3 +57,4 @@
 - [Guide to java.util.concurrent.Future](http://www.baeldung.com/java-future)
 - [Guide to java.util.concurrent.BlockingQueue](http://www.baeldung.com/java-blocking-queue)
 - [Guide to CountDownLatch in Java](http://www.baeldung.com/java-countdown-latch)
+- [How to Design a Genetic Algorithm in Java](http://www.baeldung.com/java-genetic-algorithm)
@@ -9,45 +9,7 @@
    <name>core-java</name>

    <dependencies>
-
-        <dependency>
-            <groupId>org.neo4j</groupId>
-            <artifactId>neo4j</artifactId>
-            <version>3.1.0</version>
-        </dependency>
-
-        <dependency>
-            <groupId>org.neo4j.driver</groupId>
-            <artifactId>neo4j-java-driver</artifactId>
-            <version>1.1.1</version>
-        </dependency>
-
-        <dependency>
-            <groupId>org.neo4j</groupId>
-            <artifactId>neo4j-jdbc-driver</artifactId>
-            <version>3.0.1</version>
-        </dependency>
-
-        <dependency>
-            <groupId>org.neo4j</groupId>
-            <artifactId>neo4j-ogm-core</artifactId>
-            <version>2.1.1</version>
-        </dependency>
-
-        <dependency>
-            <groupId>org.neo4j</groupId>
-            <artifactId>neo4j-ogm-embedded-driver</artifactId>
-            <version>2.1.1</version>
-        </dependency>
-
-        <dependency>
-            <groupId>com.google.inject</groupId>
-            <artifactId>guice</artifactId>
-            <version>4.1.0</version>
-            <classifier>no_aop</classifier>
-            <scope>test</scope>
-        </dependency>
-
+        
        <!-- utils -->
        <dependency>
            <groupId>net.sourceforge.collections</groupId>
@@ -0,0 +1,27 @@
+package com.baeldung.java_8_features;
+
+public class Person {
+    private String name;
+    private Integer age;
+
+    public Person(String name, int age) {
+        this.name = name;
+        this.age = age;
+    }
+
+    public String getName() {
+        return name;
+    }
+
+    public void setName(String name) {
+        this.name = name;
+    }
+
+    public Integer getAge() {
+        return age;
+    }
+
+    public void setAge(Integer age) {
+        this.age = age;
+    }
+}
@@ -0,0 +1,27 @@
+package com.baeldung.stream;
+
+
+import java.util.stream.Stream;
+
+public class InfiniteStreams {
+    public static void main(String[] args) {
+        doWhileOldWay();
+
+        doWhileStreamWay();
+
+    }
+
+    private static void doWhileOldWay() {
+
+        int i = 0;
+        while (i < 10) {
+            System.out.println(i);
+            i++;
+        }
+    }
+
+    private static void doWhileStreamWay() {
+        Stream<Integer> integers = Stream.iterate(0, i -> i + 1);
+        integers.limit(10).forEach(System.out::println);
+    }
+}
@@ -1,40 +0,0 @@
-package com.baeldung.streamApi;
-
-import java.util.Arrays;
-import java.util.List;
-import java.util.stream.Collectors;
-import java.util.stream.Stream;
-
-public class JoinerSplitter {
-
-    public static String join(String[] arrayOfString) {
-        return Arrays
-          .asList(arrayOfString)
-          .stream()
-          .map(x -> x)
-          .collect(Collectors.joining(","));
-    }
-
-    public static String joinWithPrefixPostFix(String[] arrayOfString) {
-        return Arrays
-          .asList(arrayOfString)
-          .stream()
-          .map(x -> x)
-          .collect(Collectors.joining(",", "[", "]"));
-    }
-
-    public static List<String> split(String str) {
-        return Stream
-          .of(str.split(","))
-          .map(elem -> new String(elem))
-          .collect(Collectors.toList());
-    }
-
-    public static List<Character> splitToListOfChar(String str) {
-        return str
-          .chars()
-          .mapToObj(item -> (char) item)
-          .collect(Collectors.toList());
-    }
-
-}
@@ -0,0 +1,36 @@
+package com.baeldung.string;
+
+import java.util.Arrays;
+import java.util.List;
+import java.util.stream.Collectors;
+import java.util.stream.Stream;
+
+public class JoinerSplitter {
+
+	public static String join ( String[] arrayOfString ) {
+		return Arrays.asList(arrayOfString)
+				.stream()
+				.map(x -> x)
+				.collect(Collectors.joining(","));
+	}
+	
+	public static String joinWithPrefixPostFix ( String[] arrayOfString ) {
+		return Arrays.asList(arrayOfString)
+				.stream()
+				.map(x -> x)
+				.collect(Collectors.joining(",","[","]"));
+	}
+	
+	public static List<String> split ( String str ) {
+		return Stream.of(str.split(","))
+				.map (elem -> new String(elem))
+				.collect(Collectors.toList());
+	}
+	
+	public static List<Character> splitToListOfChar ( String str ) {
+		return str.chars()
+				.mapToObj(item -> (char) item)
+				.collect(Collectors.toList());
+	}
+		
+}
@@ -0,0 +1,47 @@
+package com.baeldung.java8;
+
+import com.baeldung.java_8_features.Person;
+import org.junit.Test;
+
+import java.util.Arrays;
+import java.util.Comparator;
+import java.util.List;
+import java.util.NoSuchElementException;
+
+import static org.junit.Assert.assertEquals;
+
+public class Java8MaxMinTest {
+
+    @Test
+    public void whenListIsOfIntegerThenMaxCanBeDoneUsingIntegerComparator() {
+        //given
+        final List<Integer> listOfIntegers = Arrays.asList(1, 2, 3, 4, 56, 7, 89, 10);
+        final Integer expectedResult = 89;
+
+        //then
+        final Integer max = listOfIntegers
+          .stream()
+          .mapToInt(v -> v)
+          .max().orElseThrow(NoSuchElementException::new);
+
+        assertEquals("Should be 89", expectedResult, max);
+    }
+
+    @Test
+    public void whenListIsOfPersonObjectThenMinCanBeDoneUsingCustomComparatorThroughLambda() {
+        //given
+        final Person alex = new Person("Alex", 23);
+        final Person john = new Person("John", 40);
+        final Person peter = new Person("Peter", 32);
+        final List<Person> people = Arrays.asList(alex, john, peter);
+
+        //then
+        final Person minByAge = people
+          .stream()
+          .min(Comparator.comparing(Person::getAge))
+          .orElseThrow(NoSuchElementException::new);
+
+        assertEquals("Should be Alex", alex, minByAge);
+    }
+
+}
@@ -0,0 +1,48 @@
+package com.baeldung.stream;
+
+
+import org.junit.Test;
+
+import java.util.Arrays;
+import java.util.List;
+import java.util.Random;
+import java.util.UUID;
+import java.util.function.Supplier;
+import java.util.stream.Collectors;
+import java.util.stream.Stream;
+
+import static org.junit.Assert.assertEquals;
+
+public class InfiniteStreamTest {
+
+    @Test
+    public void givenInfiniteStream_whenUseIntermediateLimitMethod_thenShouldTerminateInFiniteTime() {
+        //given
+        Stream<Integer> infiniteStream = Stream.iterate(0, i -> i + 2);
+
+        //when
+        List<Integer> collect = infiniteStream
+                .limit(10)
+                .collect(Collectors.toList());
+
+        //then
+        assertEquals(collect, Arrays.asList(0, 2, 4, 6, 8, 10, 12, 14, 16, 18));
+    }
+
+    @Test
+    public void givenInfiniteStreamOfRandomInts_whenUseLimit_shouldTerminateInFiniteTime() {
+        //given
+        Supplier<UUID> randomUUIDSupplier = UUID::randomUUID;
+        Stream<UUID> infiniteStreamOfRandomUUID = Stream.generate(randomUUIDSupplier);
+
+        //when
+        List<UUID> randomInts = infiniteStreamOfRandomUUID
+                .skip(10)
+                .limit(10)
+                .collect(Collectors.toList());
+
+        //then
+        assertEquals(randomInts.size(), 10);
+    }
+
+}
@@ -1,4 +1,4 @@
-package com.baeldung.stream;
+package com.baeldung.string;

 import static org.junit.Assert.*;

@@ -7,12 +7,12 @@ import java.util.List;

 import org.junit.Test;

-import com.baeldung.streamApi.JoinerSplitter;
+import com.baeldung.string.JoinerSplitter;

 public class JoinerSplitterTest {

 	@Test
-	public void provided_array_convert_to_stream_and_convert_to_string() {
+	public void givenArray_transformedToStream_convertToString() {

 		String[] programming_languages = {"java", "python", "nodejs", "ruby"};

@@ -23,7 +23,7 @@ public class JoinerSplitterTest {
 	}
 	
 	@Test
-	public void provided_array_convert_to_stream_and_convert_to_prefixPostfixString() {
+	public void givenArray_transformedToStream_convertToPrefixPostfixString() {
 		String[] programming_languages = {"java", "python", 
 				"nodejs", "ruby"};
 		String expectation = "[java,python,nodejs,ruby]";
@@ -33,7 +33,7 @@ public class JoinerSplitterTest {
 	}
 	
 	@Test
-	public void provided_string_convert_to_stream_and_convert_to_listOfString() {
+	public void givenString_transformedToStream_convertToList() {
 		String programming_languages = "java,python,nodejs,ruby";
 		
 		List<String> expectation = new ArrayList<String>();
@@ -48,7 +48,7 @@ public class JoinerSplitterTest {
 	}
  
 	@Test
-	public void provided_string_convert_to_stream_and_convert_to_listOfChar() {
+	public void givenString_transformedToStream_convertToListOfChar() {
 		String programming_languages = "java,python,nodejs,ruby";
 		
 		List<Character> expectation = new ArrayList<Character>();
@@ -0,0 +1,46 @@
+package com.baeldung.test.comparison;
+
+import org.testng.Assert;
+import org.testng.annotations.BeforeClass;
+import org.testng.annotations.Test;
+
+public class DependentTests {
+
+    private EmailValidator emailValidator;
+    private LoginValidator loginValidator;
+    private String validEmail = "[email protected]";
+
+    @BeforeClass
+    public void setup() {
+        emailValidator = new EmailValidator();
+        loginValidator = new LoginValidator();
+    }
+
+    @Test
+    public void givenEmail_ifValid_thenTrue() {
+        boolean valid = emailValidator.validate(validEmail);
+        Assert.assertEquals(valid, true);
+    }
+
+    @Test(dependsOnMethods = { "givenEmail_ifValid_thenTrue" })
+    public void givenValidEmail_whenLoggedin_thenTrue() {
+        boolean valid = loginValidator.validate();
+        Assert.assertEquals(valid, true);
+    }
+}
+
+class EmailValidator {
+
+    public boolean validate(String validEmail) {
+        return true;
+    }
+
+}
+
+class LoginValidator {
+
+    public boolean validate() {
+        return true;
+    }
+
+}
--- a/Show More
+++ b/Show More