public class StringTest {
public static void main(String[] args)
{
String s1="a string";
String s2=s1;
System.out.println(s1);
System.out.println(s2);
s1="another string";
System.out.println(s1);
System.out.println(s2);
}
}
输出结果为:
a string
a string
another string
a string