upload Java8

.github/workflows/maven.yml

@@ -159,3 +159,17 @@ jobs:
         java-version: 1.8
     - name: Build with Maven
       run: mvn -B clean verify --file Servlets_JSP/pom.xml
+
+
+  build-tm12:
+
+    runs-on: ubuntu-latest
+
+    steps:
+    - uses: actions/checkout@v2
+    - name: Set up JDK 1.8
+      uses: actions/setup-java@v1
+      with:
+        java-version: 1.8
+    - name: Build with Maven
+      run: mvn -B clean verify --file Java8/pom.xml

Java8/pom.xml

@@ -0,0 +1,38 @@
+<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>
+
+  <groupId>com.subho.wipro</groupId>
+  <artifactId>pjp.tm12</artifactId>
+  <version>1.0</version>
+
+  <packaging>jar</packaging>
+
+   	<distributionManagement>
+		<repository>
+			<id>github</id>
+			<name>GitHub Subhrodip Apache Maven Packages</name>
+			<url>https://maven.pkg.github.com/ohbus/PJP</url>
+		</repository>
+	</distributionManagement>
+
+  <name>pjp.tm12</name>
+  <url>http://maven.apache.org</url>
+
+  <properties>
+    <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
+    <maven.compiler.target>1.8</maven.compiler.target>
+    <maven.compiler.source>1.8</maven.compiler.source>
+  </properties>
+
+  <dependencies>
+
+    <dependency>
+      <groupId>junit</groupId>
+      <artifactId>junit</artifactId>
+      <version>3.8.1</version>
+      <scope>test</scope>
+    </dependency>
+
+  </dependencies>
+</project>

Java8/src/main/java/com/subho/wipro/pjp/tm12/App.java

@@ -0,0 +1,13 @@
+package com.subho.wipro.pjp.tm12;
+
+/**
+ * Hello world!
+ *
+ */
+public class App 
+{
+    public static void main( String[] args )
+    {
+        System.out.println( "Hello World!" );
+    }
+}

Java8/src/main/java/com/subho/wipro/pjp/tm12/DateTimeAPI/Assigment01.java

@@ -0,0 +1,16 @@
+package com.subho.wipro.pjp.tm12.DateTimeAPI;
+
+//Write a program to display today's date and the date after ten days.
+
+import java.time.LocalDate;
+
+public class Assigment01 {
+
+	public static void main(String[] args) {
+		// TODO Auto-generated method stub
+		LocalDate date = LocalDate.now();
+		System.out.println("Todays Date : " + date);
+		System.out.println("Date after 10 days : " + date.plusDays(10));
+	}
+
+}

Java8/src/main/java/com/subho/wipro/pjp/tm12/DateTimeAPI/Assigment02.java

@@ -0,0 +1,17 @@
+package com.subho.wipro.pjp.tm12.DateTimeAPI;
+
+// Write a program to find the date of next month second Sunday.
+
+import java.time.DayOfWeek;
+import java.time.LocalDate;
+import java.time.temporal.TemporalAdjusters;
+
+public class Assigment02 {
+
+	public static void main(String[] args) {
+		// TODO Auto-generated method stub
+		LocalDate secondSunday = LocalDate.now().plusMonths(1).with(TemporalAdjusters.dayOfWeekInMonth(2, DayOfWeek.SUNDAY));
+		System.out.println(secondSunday);
+	}
+
+}

Java8/src/main/java/com/subho/wipro/pjp/tm12/DateTimeAPI/Assigment03.java

@@ -0,0 +1,20 @@
+package com.subho.wipro.pjp.tm12.DateTimeAPI;
+
+//Write a program to calculate your experience (no of years, no of months & no of days) in Wipro.
+
+import java.time.LocalDate;
+import java.time.Period;
+
+public class Assigment03 {
+
+	public static void main(String[] args) {
+		// TODO Auto-generated method stub
+		LocalDate joiningDate = LocalDate.of(2015,5,5);
+		Period d = Period.between(joiningDate,LocalDate.now());
+		int days = d.getDays(); 
+		int months = d.getMonths(); 
+		int years = d.getYears();
+		System.out.println("Experience : " + years + " years " + months + " months " + days + " days." );
+	}
+
+}

Java8/src/main/java/com/subho/wipro/pjp/tm12/DateTimeAPI/Assigment04.java

@@ -0,0 +1,18 @@
+package com.subho.wipro.pjp.tm12.DateTimeAPI;
+
+//Write a program to check whether the current year is a leap year.
+
+import java.time.LocalDate;
+
+public class Assigment04 {
+
+	public static void main(String[] args) {
+		// TODO Auto-generated method stub
+		LocalDate date = LocalDate.now();
+		if(date.isLeapYear())
+			System.out.println("Current Year is a leap year");
+		else
+			System.out.println("Current Year is not a leap year");
+	}
+
+}

Java8/src/main/java/com/subho/wipro/pjp/tm12/DateTimeAPI/Assigment05.java

@@ -0,0 +1,16 @@
+package com.subho.wipro.pjp.tm12.DateTimeAPI;
+
+// Write a program to display the current time and the time after 25 minutes.
+
+import java.time.LocalTime;
+
+public class Assigment05 {
+
+	public static void main(String[] args) {
+		// TODO Auto-generated method stub
+		LocalTime time = LocalTime.now();
+		System.out.println("Time : " + time );
+		System.out.println("Time after 25 minutes : " + time.plusMinutes(25));
+	}
+
+}

Java8/src/main/java/com/subho/wipro/pjp/tm12/DateTimeAPI/Assigment06.java

@@ -0,0 +1,16 @@
+package com.subho.wipro.pjp.tm12.DateTimeAPI;
+
+//Write a program to display the current time and the time before 5 hours and 30 minutes.
+
+import java.time.LocalTime;
+
+public class Assigment06 {
+
+	public static void main(String[] args) {
+		// TODO Auto-generated method stub
+		LocalTime time = LocalTime.now();
+		System.out.println("Time : " + time );
+		System.out.println("Time before 5 hours 30 minutes : " + time.minusMinutes(30).minusHours(5) );
+	}
+
+}

Java8/src/main/java/com/subho/wipro/pjp/tm12/ForEach/Assignment01.java

@@ -0,0 +1,20 @@
+/*Write a program to create an ArrayList and add the weekdays. 
+Iterate and print all the elements using forEach method
+ */
+
+package com.subho.wipro.pjp.tm12.ForEach;
+
+import java.util.ArrayList;
+import java.util.Arrays;
+
+public class Assignment01 {
+
+	public static void main(String[] args) {
+		// TODO Auto-generated method stub
+		ArrayList<String> arrL = new ArrayList<String>(
+				Arrays.asList("Sunday", "Monday", "Tuesday", "Wednesday", "Thursday", "Friday", "Saturday"));
+
+		arrL.forEach(day -> System.out.println(day));
+	}
+
+}

Java8/src/main/java/com/subho/wipro/pjp/tm12/ForEach/Assignment02.java

@@ -0,0 +1,43 @@
+/* Create an ArrayList and add 5 Employee(id,name,address,salary) objects.
+Retrieve the objects from the ArrayList using forEach and print the Employee details.
+*/
+
+package com.subho.wipro.pjp.tm12.ForEach;
+
+import java.util.ArrayList;
+
+class Employee {
+    int id;
+    double salary;
+    String address, name;
+
+    Employee(int id, double salary, String name, String address) {
+        this.id = id;
+        this.salary = salary;
+        this.name = name;
+        this.address = address;
+    }
+}
+
+public class Assignment02 {
+
+	public static void main(String[] args) {
+		// TODO Auto-generated method stub
+		Employee emp1 = new Employee(1, 100.0, "James", "Kolkata");
+		Employee emp2 = new Employee(2, 200.0, "Kames", "Colkata");
+		Employee emp3 = new Employee(3, 300.0, "Lames", "Lolkata");
+		Employee emp4 = new Employee(4, 400.0, "Names", "Tolkata");
+		Employee emp5 = new Employee(5, 500.0, "Pames", "Bolkata");
+
+		ArrayList<Employee> empList = new ArrayList<Employee>();
+		empList.add(emp1);
+		empList.add(emp2);
+		empList.add(emp3);
+		empList.add(emp4);
+		empList.add(emp5);
+
+		empList.forEach(emp -> System.out.println(
+				"ID : " + emp.id + " Name : " + emp.name + " Salary : " + emp.salary + " Address : " + emp.address));
+    }
+
+}

Java8/src/main/java/com/subho/wipro/pjp/tm12/Interfaces/Assignment01.java

@@ -0,0 +1,42 @@
+package com.subho.wipro.pjp.tm12.Interfaces;
+
+/*Create an interface Vehicle with a default method message() that returns nothing and prints "Inside Vehicle".
+Create an interface FourWheeler with a default method message() that returns nothing and prints "Inside FourWheeler".
+
+Create a class Car implementing these two interfaces. 
+In this class, Override the message() method and call the message() method of the Vehicle interface using super keyword. 
+
+Instantiate the class, call the message method and observe the output.
+ */
+
+interface Vehicle {
+	default void message() {
+		System.out.println("Inside Vehicle");
+	}
+}
+
+interface FourWheeler {
+	default void message() {
+		System.out.println("Inside FourWheeler");
+	}
+}
+
+class Car implements Vehicle, FourWheeler {
+
+	@Override
+	public void message() {
+		// TODO Auto-generated method stub
+		Vehicle.super.message();
+	}
+
+}
+
+public class Assignment01 {
+
+	public static void main(String[] args) {
+		// TODO Auto-generated method stub
+		Car car = new Car();
+		car.message();
+	}
+
+}

Java8/src/main/java/com/subho/wipro/pjp/tm12/Interfaces/Assignment02.java

@@ -0,0 +1,27 @@
+package com.subho.wipro.pjp.tm12.Interfaces;
+
+/*Create an interface Test with an abstract method "int myFunction".
+This function takes three integer parameters.
+
+Write a program to create two Test reference variables t1 and t2.
+t1 should add three integer parameters and t2 should multiply three integer parameters, using lambda expression.
+
+Call myFunction using t1 and t2 reference variables, by passing three integer values and print the result.
+ */
+
+interface Test {
+	int myFunction(int x, int y, int z);
+}
+
+public class Assignment02 {
+
+	public static void main(String[] args) {
+		// TODO Auto-generated method stub
+		Test t1 = (x, y, z) -> (x + y + z);
+		Test t2 = (x, y, z) -> (x * y * z);
+
+		System.out.println(t1.myFunction(10, 20, 30));
+		System.out.println(t2.myFunction(10, 20, 30));
+	}
+
+}

Java8/src/main/java/com/subho/wipro/pjp/tm12/LambdaExpressions/Assignment01.java

@@ -0,0 +1,33 @@
+package com.subho.wipro.pjp.tm12.LambdaExpressions;
+
+/*Create an ArrayList al and add 25 random numbers. 
+Write a code to print all the prime numbers that are present in it, using lambda expression.
+*/
+
+import java.util.ArrayList;
+import java.util.Random;
+
+public class Assignment01 {
+
+	public static void main(String[] args) {
+		// TODO Auto-generated method stub
+		ArrayList<Integer> al = new ArrayList<Integer>();
+		Random random = new Random();
+		for(int i = 0; i < 25; i++){
+			al.add(random.nextInt(100));
+		}
+		System.out.println("Array : " +al.toString());
+		System.out.print("Prime Nos : ");
+		al.forEach(num -> {
+			boolean isPrime = true;
+			for (int i = 2; i <= (int) Math.sqrt(num); i++) {
+				if (num % i == 0) {
+					isPrime = false;
+					break;
+				}
+			}
+			System.out.print(isPrime ? num + " " : "");
+		});
+	}
+
+}

Java8/src/main/java/com/subho/wipro/pjp/tm12/LambdaExpressions/Assignment02.java

@@ -0,0 +1,23 @@
+package com.subho.wipro.pjp.tm12.LambdaExpressions;
+
+/*Create an ArrayList al and add 10 different words. 
+Write a code to print all the Strings in reverse order, using lambda expression.
+*/
+
+import java.util.ArrayList;
+
+public class Assignment02 {
+
+	public static void main(String[] args) {
+		// TODO Auto-generated method stub
+		ArrayList<StringBuffer> al = new ArrayList<StringBuffer>();
+		String[] wordsArray = { "Java", "Python", "C++", "C", "JavaScript", "Go", "Rust", "Bash", "Haskell", "Ruby" };
+
+		for (String word : wordsArray) {
+			StringBuffer sb = new StringBuffer(word);
+			al.add(sb);
+		}
+		al.forEach(word -> System.out.print(word.reverse() + " "));
+	}
+
+}

Java8/src/main/java/com/subho/wipro/pjp/tm12/LambdaExpressions/Assignment03.java

@@ -0,0 +1,20 @@
+package com.subho.wipro.pjp.tm12.LambdaExpressions;
+
+/*Create an ArrayList al and add 10 different words.
+Write a code to print all the Strings whose length is odd, using lambda expression.
+ */
+
+import java.util.ArrayList;
+import java.util.Arrays;
+
+public class Assignment03 {
+
+	public static void main(String[] args) {
+		// TODO Auto-generated method stub
+		ArrayList<String> al = new ArrayList<String>(
+				Arrays.asList("Java", "Python", "C++", "C", "JavaScript", "Go", "Rust", "Bash", "Haskell", "Ruby"));
+
+		al.forEach(word -> System.out.print((word.length() % 2 != 0) ? word + " " : ""));
+	}
+
+}