?? testperson.java
字號(hào):
/**
* Description:
* <br/>Copyright (C), 2005-2008, Yeeku.H.Lee
* <br/>This program is protected by copyright laws.
* <br/>Program Name:
* <br/>Date:
* @author Yeeku.H.Lee kongyeeku@163.com
* @version 1.0
*/
public class TestPerson
{
public static void main(String[] args)
{
//Person類已經(jīng)加載,則eyeNum變量起作用了,輸出0
System.out.println("Person的eyeNum類屬性值:" + Person.eyeNum);
//創(chuàng)建Person對(duì)象
Person p = new Person();
//通過Person對(duì)象的引用p來訪問Person對(duì)象name實(shí)例屬性
//并通過實(shí)例訪問eyeNum類屬性
System.out.println("p變量的name屬性值是:" + p.name
+ " p對(duì)象的eyeNum屬性值是:" + p.eyeNum);
//直接為name實(shí)例屬性賦值
p.name = "孫悟空";
//通過p訪問eyeNum類屬性,依然是訪問Person的eyeNum屬性
p.eyeNum = 2;
//再次通過Person對(duì)象來訪問name實(shí)例屬性和eyeNum類屬性
System.out.println("p變量的name屬性值是:" + p.name
+ " p對(duì)象的eyeNum屬性值是:" + p.eyeNum);
//前面通過p修改了Person的eyeNum屬性,此處的Person.eyeNum將輸出2
System.out.println("Person的eyeNum類屬性值:" + Person.eyeNum);
Person p2 = new Person();
//p2訪問的eyeNum類屬性依然引用Person類的,因此依然輸出2
System.out.println("p2對(duì)象的eyeNum類屬性值:" + p2.eyeNum);
}
}
?? 快捷鍵說明
復(fù)制代碼
Ctrl + C
搜索代碼
Ctrl + F
全屏模式
F11
切換主題
Ctrl + Shift + D
顯示快捷鍵
?
增大字號(hào)
Ctrl + =
減小字號(hào)
Ctrl + -