Java Programming Basics

public class Ex { 
  public static void main(String[] args) { 
    System.out.println(5 + 15 / 3 * 2 - 8 % 3); 
  } 
}

public class AssShortcutExample {
   public static void main(String args[]) {
      int num1 = 10;
      int num2 = 20;

      num2 += num1;
      System.out.println("= Output: "+num2);
    }
}

public class AssShortcutExample {
   public static void main(String args[]) {
      int num1 = 10;
      int num2 = 20;

      num2 -= num1;
      System.out.println("= Result: "+num2);
    }
}