(sex.equals = ("男"))报什么错？

public class HelloWorld {

    public static void main(String[] args) {

int score = 94;

String sex = "女";

if(score>80){

if(sex.equals = ("男")){

System.out.println("进入男子组决赛");

}else{

System.out.println("进入女子组决赛");

}

}else{

System.out.println("不能进入决赛");

}

}

}