Android Java Firebase Upload Data

Boilerplate

import com.google.firebase.database.DatabaseReference;  
import com.google.firebase.database.FirebaseDatabase;
 
 
private DatabaseReference dbRef;
public Myclass{
	this.dbRef = FirebaseDatabase.getInstance().getReference();
	String mytempdata = "HELLO";
	dbRef.child("myroute").setValue(mytempdata);
}