Comments on: Java String

By: Steven

Steven — Fri, 09 Feb 2007 06:17:07 +0000

public class test {
　　public static void main(String[] args) {
　　　　mFunction mf = new mFunction();
　　　　System.out.println(mf.s);
　　　　mf.m1(mf.s);
　　　　System.out.println(mf.s);

　　　　System.out.println(mf.i);
　　　　mf.m2(mf.i);
　　　　System.out.println(mf.i);
　　}
}
class mFunction {
　　String s = “123″;
　　int i = 123;
public void m1(String s) {
　　　　this.s = “321″;
　　}

　　public void m2(int i) {
　　　　i = 321;
　　}
}

By: Steven

Steven — Fri, 09 Feb 2007 06:10:29 +0000

剛剛測一下發現我說錯了
不能在static裡用this
Sorry….

By: Steven

Steven — Fri, 09 Feb 2007 06:07:41 +0000

為什麼引號都不能正常顯示….

By: Steven

Steven — Fri, 09 Feb 2007 06:07:02 +0000

this.s = ’321′;

By: Steven

Steven — Fri, 09 Feb 2007 06:06:44 +0000

this.s = \”321\”;

By: Steven

Steven — Fri, 09 Feb 2007 06:05:36 +0000

123
123
123
123
如果m1(String s)改為…
private static void m1(String s) {
this.s = “321″;
}
則輸出為
123
321
123
123

By: das

das — Tue, 06 Feb 2007 11:13:15 +0000

全部都是123

By: Eros

Eros — Fri, 05 Jan 2007 12:06:55 +0000

123
123
123
123

in Java, all arguments are passed by value.

so do C.

By: penglonghua

penglonghua — Sun, 03 Dec 2006 12:58:25 +0000

123
123
123
123

By: homonia

homonia — Sun, 30 Jul 2006 13:59:23 +0000

123
321
123
123