Main.java Source code

Introduction

Here is the source code for Main.java

Source

//package com.java2s;
//License from project: Apache License 

import java.util.ArrayList;
import java.util.Collection;

import java.util.List;

public class Main {
    public static <T> List<T> flatten(Collection<?> list, Class<T> type) {
        List<Object> retVal = new ArrayList<Object>();
        flatten(list, retVal);
        return (List<T>) retVal;
    }

    private static void flatten(Collection<?> fromTreeList, Collection<Object> toFlatList) {
        for (Object item : fromTreeList) {
            if (item instanceof Collection<?>) {
                flatten((Collection<?>) item, toFlatList);
            } else {
                toFlatList.add(item);
            }
        }
    }
}