Class Temp

{ static int x=10;//variable

public static void show()//method

{ System.out.println(x);

}

public static void main(String args[])

{  Temp t = new Temp();// object 1

t.show();//method call

Temp t1=new Temp();// object 2

t1x=20;

t1.show();

}

}

NHAP DU LIEU TU BAN PHIM

import  java.util.scanner;

public class KeyboardInputTest {

   public static void main (string[] args)

     { scanner in = new Scanner(System.in);

       System.out.println(“Nhap so:”);

       Int n = in.nextInt();

       System.out.println(“so do la: “+n);

}

Truyen tham so

class KhachHang {

  public static void main (string[] arg)

   Banh banhMoi=new Banh();

   System.out.println(“Nhoi thit vao banh truoc khi nuong:”+banhMoi.thit);

  nuong(banhMoi);

   System.out.print(“thit cua banh sau khi nuong:”+banhMoi.thit);

}

Public static void nuong(Banh banhNuong){

 banhNuong.thit=”thit vit”;

 banhNuong=Null;}

class Banh{

 string thit =”thit ga”;}