２回目の出力でfalseになる理由が知りたい

src_Hoge.java

public class Hoge {

    private int id;

    public Hoge(int i) {
        id = i;
    }

    public boolean equals(Hoge obj) {
        return obj.id == id;
    }

    @Override
    public int hashCode() {
        return id;
    }
}

src_Main.java

public class Main {
    public static void main(String[] args) {
        Hoge hoge = new Hoge(1);
        Hoge hoge1 = new Hoge(1);

        System.out.println(hoge.equals(hoge1));
        System.out.println(isEqual(hoge, hoge1));

    }

    public static <T> boolean isEqual(Hoge hoge, T obj) {
        return hoge.equals(obj);
    }
}