Java中==与equals的区别小结

public class Compare {    /**    * == 与 equals()区别    */   public static void main(String[] args) {     String s1 = new String("Hello,World!"); //创建两个String型对象引用;     String s2 = new String("Hello,World!");          String s3 = s1;             //将s1对象引用赋予s3          System.out.println("s2==s3的运算结果为:" + (s2==s3)); //地址不一样     System.out.println("s1==s3的运算结果为:" + (s1==s3)); //地址一样         System.out.println("s2.equals(s3)的运算结果为:"+(s2.equals(s3)));//内容一样   } }