下面这个类让我感到迷惑，望高手解答！
public class Test {
public static void changeStr(String str){
str="welcome";
}
public static void main(String[] args) {
String str="1234";
changeStr(str);
System.out.println(str);
}
} 1 楼 lordhong 2007-05-15 pass by value...
