package com.common.main;
/**
* @author itlife365.com
* @version 創建時間:Oct 12, 2010 3:46:30 PM
* 類說明:BooleanTest.java
* Boolean 不同于 boolean
*/
public class BooleanTest {
/**
* @author itlife365.com
* @time Oct 12, 20103:46:30 PM
* @param @param args
* return void
*/
public static void main(String[] args) {
// TODO Auto-generated method stub
Boolean [] b = new Boolean[0];
String color = "blue";
System.out.println(b); //输出一个对象
if(b[0]){ //
color = "red";
}
System.out.println(color);
}
/*Boolean 是一个对象,boolean 是一个ture/false,在if(b[0]) 会报错
[Ljava.lang.Boolean;@12d7a10
Exception in thread "main" java.lang.ArrayIndexOutOfBoundsException: 0
at com.common.main.BooleanTest.main(BooleanTest.java:20)
详见jdk 或者官网 http://download.oracle.com/javase/1.5.0/docs/api/java/lang/Boolean.html
*/
}