Added Examples

Author: b

src/com/advancedjava/LinkedHashMapExample.java renamed to src/com/advancedjava/Ex6LinkedHashMapExample.java

@@ -6,7 +6,7 @@
 import java.util.Map;
 
 
-public class LinkedHashMapExample {
+public class Ex6LinkedHashMapExample {
 
 	public static void main(String[] args) {
 		LinkedHashMap<String, Integer> phoneBook = new LinkedHashMap<>(2, 0.75f, false);

src/com/advancedjava/FunctionalInterfaceExample.java renamed to src/com/advancedjava/Ex7FunctionalInterfaceExample.java

@@ -9,20 +9,27 @@ interface GreetingMessage {
 	abstract void greet(String name);
 }
 
-public class FunctionalInterfaceExample {
+public class Ex7FunctionalInterfaceExample {
 
 	public static void main(String[] args) {
 
-
 		GreetingMessage gm = new GreetingMessage() {
 			@Override
 			public void greet(String name) {
 				System.out.println("Assalamu Alaikum " + name);
 			}
 		};
 
-
 		gm.greet("Bodrul Amin");
+
+		GreetingMessage gm2 = (String name) -> {
+
+			System.out.println("Assalamu Alaikum " + name);
+		};
+
+		gm2.greet("Bodrul");
+
+	
 	}
 
 }

src/com/advancedjava/LambdaExample.java renamed to src/com/advancedjava/Ex8LambdaExample.java

@@ -5,7 +5,7 @@
 
 
 
-public class LambdaExample {
+public class Ex8LambdaExample {
 
 	public static void main(String[] args) {
 

src/com/advancedjava/Ex9MethodReference.java

@@ -0,0 +1,41 @@
+package com.advancedjava;
+
+import com.advancedjava.*;
+import java.util.HashMap;
+
+class Square {
+
+	int sideLength;
+
+	public Square(int sideLength) {
+		this.sideLength = sideLength;
+	}
+
+	public int calculateArea() {
+		return sideLength * sideLength;
+	}
+}
+
+@FunctionalInterface
+interface Shapes{
+	public abstract  int getArea(Square person);
+}
+
+
+public class Ex9MethodReference {
+
+	public static void main(String[] args) {
+		Square s = new Square(4);
+		Shapes shapes = ((square) -> {
+			return square.calculateArea(); //To change body of generated lambdas, choose Tools | Templates.
+		});
+
+		Shapes altShapes = Square::calculateArea;
+
+		System.out.println(shapes.getArea(s));
+		System.out.println(altShapes.getArea(s));
+
+		
+	}
+
+}

src/com/advancedjava/Exx10Streams.java

@@ -0,0 +1,41 @@
+package com.advancedjava;
+
+import com.advancedjava.*;
+import java.util.HashMap;
+
+class Square {
+
+	int sideLength;
+
+	public Square(int sideLength) {
+		this.sideLength = sideLength;
+	}
+
+	public int calculateArea() {
+		return sideLength * sideLength;
+	}
+}
+
+@FunctionalInterface
+interface Shapes{
+	public abstract  int getArea(Square person);
+}
+
+
+public class Exx10Streams {
+
+	public static void main(String[] args) {
+		Square s = new Square(4);
+		Shapes shapes = ((square) -> {
+			return square.calculateArea(); //To change body of generated lambdas, choose Tools | Templates.
+		});
+
+		Shapes altShapes = Square::calculateArea;
+
+		System.out.println(shapes.getArea(s));
+		System.out.println(altShapes.getArea(s));
+
+		
+	}
+
+}