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.List;

public class Main {
    @SafeVarargs
    public static <T> ArrayList<T> flattenList(List<T>... instancesList) {
        int size = 0;
        for (List<T> list : instancesList) {
            size += list.size();
        }

        ArrayList<T> flattened = new ArrayList<>(size);
        for (List<T> list : instancesList) {
            flattened.addAll(list);
        }

        return flattened;
    }
}