j02050502.java

经典java教材《java完美经典》一书中源码的完全收集

import java.lang.*;

class j02050502
{
  public static void main(String para[])
  {
    int X1 = 100, X2 = 0;
    System.out.println("原本 X1 = " + X1 );
    X2 = X1++;
    System.out.println("X2 = X1++ ==> X2 = " + X2);
    System.out.println("后来 X1 = " + X1 );
    System.out.println("=============================");
    int Y1 = 100,Y2 = 0;
    System.out.println("原本 Y1 = " + Y1 );
    Y2 = ++Y1;      
    System.out.println("Y2 = ++Y1 ==> Y2 = " + Y2);
    System.out.println("后来 Y1 = " + Y1);                   
  }
}