Java List Create createEmptyListOfType(List original, boolean sameSize)

Description

create Empty List Of Type

License

Apache License

Declaration

@SuppressWarnings("unchecked")
    private static <T> List<T> createEmptyListOfType(List<?> original,
            boolean sameSize) 

Method Source Code

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

import java.util.*;

public class Main {
    @SuppressWarnings("unchecked")
    private static <T> List<T> createEmptyListOfType(List<?> original,
            boolean sameSize) {
        if (original instanceof ArrayList) {
            return sameSize ? new ArrayList<T>(original.size())
                    : new ArrayList<T>();
        }/*from ww  w  .j  a  v  a 2  s .  co m*/

        try {
            return original.getClass().newInstance();
        } catch (Exception e) {
            return sameSize ? new ArrayList<T>(original.size())
                    : new ArrayList<T>();
        }
    }
}

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