Java/java-lambda/src/main/java/com/hmkcode/App.java at master · himalayashinde/Java · GitHub

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package com.hmkcode;

public class App implements OnClickListener

{

public static void main( String[] args ){

System.out.println( "Running App..." );

new App().run();

}

public void run(){

Button myButton = new Button();

myButton.setName("MyButton");

// 1. implements onClickListener

//myButton.setOnClickListener(this);

// 2. anonymous class

/*myButton.setOnClickListener(new OnClickListener() {

@Override

public void onClick(Button button) {

System.out.println(button.getName() +" Clicked! - anonymous class");

}

}); */

// 3. lambda

OnClickListener lambda = button -> { System.out.println(button.getName()+" Clicked! - lambda"); } ;

myButton.setOnClickListener(lambda);

// click the button

myButton.click();

}

@Override

public void onClick(Button button) {

System.out.println(button.getName() +" Clicked! - implements interface");

}