ex_2_5_1.java

java思想编程与设计模块

/*
 * 文件名 ex_2_5_1.java
 * 说  明：演示 递增（++）和递减（--）运算符
 *		  的使用
 */
class ex_2_5_1{
	public static void main(String args[]) {
		int a = 3;
		int b = 4;
		int c;
		int d;
		c = ++b; // 前缀递增
		d = a++; // 后缀递增
		c++; 
		System.out.println("a = " + a);
		System.out.println("b = " + b);
		System.out.println("c = " + c);
		System.out.println("d = " + d);
		c=--b; // 前缀递减
		d=a--; // 后缀递减
		c--;
		System.out.println("a = " + a);
		System.out.println("b = " + b);
		System.out.println("c = " + c);
		System.out.println("d = " + d);
		
	}
}