How to Create Option Menu in Android?

package com.example.options_menu;
 
import android.os.Bundle;
import android.app.Activity;
import android.view.Menu;
 
public class MainActivity extends Activity {
 
    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
    }
 
    @Override
    public boolean onCreateOptionsMenu(Menu menu) {
        menu.add(1, 1, 0, "Item1");
        menu.add(1, 2, 1, "Item2");
        menu.add(1, 3, 2, "Item3");
        menu.add(1, 4, 3, "Item4");
        menu.add(1, 5, 4, "Item5");
        return true;
    }
}