even if param and DEFAUL_PARAM are the same, they are not equal?

public String verify(String param){
    String verify = new String(DEFAULT_PARAM);
    if(param != verify){
           throw new Exception("is not the same");
        } 
    else{
        System.out.printf("passed") 
        } 
}

i need to verify 2 string. when good password print passed but exception is throw even when password is good.

i tried to change my DEFAULT_PARAM, without any luck.

>Solution :

you dont need new string, just verify with DEFAULT_PARAM.