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Article #22976

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#22976
From: ���
Date: Sat, 23 Aug 2003 03:09
44 lines
1864 bytes
 class Location{
int x,y;
}
class Point{
int x,y;
Point()
{
x=20;
y=30;
}
void getXY(int xValue,int yValue)
{
xValue=x;
yValue=y;
}
void getLocation(Location lReference)
{
lReference.x=x;
lReference.y=y;
}
}
public class ArgumentTest {
    
    /** Creates a new instance of ArgumentTest */
    public static void main(String args[])
    {
    Point p=new Point();
    System.out.println("Pass by value:");
    System.out.println("xValue="+p.xValue+"  yValue="+p.yValue);
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    Location l=new Location();
    p.getLocation(l);
    System.out.println("Pass by reference:");
    System.out.println("xValue="+l.x+"    yValue="+l.y);
    }
    }

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From: yyfsk.bbs@bbs.sjtu.edu.cn (���)
Newsgroups: cn.bbs.comp.lang.java
Subject: һ���򵥵ô��룬��Ұ�æ����
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