Can anybody explain this

Question

package com.example.helloworld;

import android.os.Bundle;
import android.app.Activity;
import android.util.Log;

Answer 1

You're defining a package named "com.example.helloworld", and you're using some classes that are already defined in other packages:
- class Bundle in package android.os
- class Activity in package android.app
- class Log in package android.util

Answer 2

well tnku