方法重写

public class Equals {
        private  String nume;
        private  String sex;

        public Equals(String nume,String sex ) {
            this.nume = nume;
            this.sex=sex;
        }

        public String getSex() {
            return sex;
        }

        public void setSex(String sex) {
            this.sex = sex;
        }

        public String getNume() {
            return nume;
        }

        public void setNume(String nume) {
            this.nume = nume;
        }

        public  boolean equals(Object obj){
            if(obj instanceof Equals){
               Equals e =(Equals)obj;
                if(e.getNume().equals(this.getNume())&&e.getSex().equals(this.getSex())){
                    return true;
                }
            }
            return  false;
        }
    }

public class equalsTest {
    public static void main(String[] args){
        Equals e1 = new Equals("小黄","16");
        Equals e2 = new Equals("小黄","16");
        System.out.println(e1.equals(e2));
        System.out.println("17".equals(17));
    }
}