untitled1.java~2~

java环境开发

package cxyex;

/**
 * <p>Title: </p>
 *
 * <p>Description: </p>
 *
 * <p>Copyright: Copyright (c) 2008</p>
 *
 * <p>Company: </p>
 *
 * @author not attributable
 * @version 1.0
 */
public class Untitled1 {
    public Untitled1() {
    }

    static int d = 1;
    static void fun(int p) {
        int d = 5;
        d += p++; //d=d+p++;// d=d+p;p=p=+1;
        System.out.println("函数内" + d);

    }

    public static void main(String[] args) {
        int a = 3;
        fun(a);//p=3 d=5 d=5+3; p=4
        d += a++;//d=d+a++====>d=1+a a=a+1
        System.out.println("函数外" + d);
    }
}