String的用法问题
afunx 2009-10-05 12:02:49 public class Example5_1 {
public static void main(String args[])
{
String s1,s2;
s1=new String("We are students");
s2=new String("We are students");
System.out.println(s1.equals(s2));
System.out.println(s1==s2);
String s3,s4;
s3="how are you";
s4="how are you";
System.out.println(s3.equals(s4));
System.out.println(s3==s4);
}
}
结果是什么?
为什么呢?