Android -Random, case, switch

Random crazy = new Random();


switch(crazy.nextInt(3)){
case 0:
display.setGravity(Gravity.LEFT);
break;
case 1:
display.setGravity(Gravity.CENTER);
break;
case 2:
display.setGravity(Gravity.RIGHT);
break;

default setting is center

Android -final

"final" means not gonna change

Android -Thread -

do different things at the same time

framework

Thread timer =new Thread(){

public void run(){

try{

} catch (InterruptedException e){

//debug if it is slow

}finally{

}

}

};

timer.start();