Android_Default_ActionBar_and_Menu.java

// into onCreate method (for icon) ----->
ActionBar actionBar = getSupportActionBar();
actionBar.setLogo(R.mipmap.ic_launcher); // icon link
actionBar.setDisplayUseLogoEnabled(true);
actionBar.setDisplayShowHomeEnabled(true);
// <----- into onCreate method (for icon)

/**
* This method add menu on our app
*/
@Override
public boolean onCreateOptionsMenu(Menu menu) {
	MenuInflater myin = getMenuInflater();
	myin.inflate(R.menu.menu_xml, menu); // menu link
	return super.onCreateOptionsMenu(menu);
}

/**
* This method use to select menu item by ID
*/
@Override
public boolean onOptionsItemSelected(MenuItem item) {
	switch (item.getItemId()){
		case R.id.item_one_id:
			// what want to do
		case R.id.item_two_id:
			// what want to do
		default:
			// what want to do
			return super.onOptionsItemSelected(item);
	}
}

// actionBar, ic_launcher, myin, menu_xml, item_one_id, item_two_id

menu_xml.xml

<?xml version="1.0" encoding="utf-8"?>
<menu xmlns:android="http://schemas.android.com/apk/res/android"
   xmlns:app="http://schemas.android.com/apk/res-auto"
   xmlns:tools="http://schemas.android.com/tools" 
   tools:conext=".your_activity">

   <item
       android:id="@+id/item_one_id"
       android:title="Item One"
       android:icon="@drawable/item_one_icon"
       app:showAsAction="never">
       <!-- if we write app:showAsAction="never" it will show title without icon -->
       <!-- else we can write app:showAsAction="always" to show icon and hide title -->
   </item>
   <item
       android:id="@+id/item_two_id"
       android:title="Item Two"
       android:icon="@drawable/item_two_icon"
       app:showAsAction="never">
   </item>
</menu>

<!-- your_activity,item_one_id, item_two_id, Item One, Item Two, item_one_icon, item_two_icon -->