Another Method for calling activities.?

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http://stackoverflow.com – So here is my code.. I have a lot activities to be switched between and this code seems to work perfectly. But I was wondering if there is another method which is less complicate and easy to implement rather than "SWITCH CASE" method. enter code here package com.prashant.dfs; import java.util.ArrayList; import java.util.HashMap; import java.util.List; import android.os.Bundle; import android.app.Activity; import android.content.Intent; import android.view.Menu; import android.view.View; import android.widget.ExpandableListView; import android.widget.ExpandableListView.OnChildClickListener; (HowTos)