Operation1.java



public class Operation1 {
    public static void main( String[] args ) {

        int x = 50;
        int y = 10;

        x += 50; 
        System.out.println( "x=" + x );
        x /= y; 
        System.out.println( "x=" + x );
        x *= x; 
        System.out.println( "x=" + x );
        x -= ( x - y ); 
        System.out.println( "x=" + x );
    }
}