Java List Create createNewList(Class type)

Description

create New List

License

Apache License

Declaration

public static List createNewList(Class type) 

Method Source Code

//package com.java2s;
/*//ww w.  ja v  a2  s .  c o  m
 * Copyright 2016 Red Hat, Inc. and/or its affiliates
 * and other contributors as indicated by the @author tags.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

import java.util.ArrayList;

import java.util.List;

public class Main {
    public static List createNewList(Class type) {

        if (type == List.class) {
            return new ArrayList();
        } else if (type.isInterface()) {
            throw new RuntimeException("Can't instantiate a list type: " + type);
        }

        try {
            return (List) type.newInstance();
        } catch (Exception e) {
            throw new RuntimeException("Failed to instantiate a list type: " + type, e);
        }
    }
}

Related

1. createMatrix(List source, List target)
2. createMergedRegex(List regexes)
3. createMultiParamMessage(String aPrefix, String aSuffix, List aParams)
4. createMultiSelectionValue(List values)
5. createMutableList(Collection collection)
6. createNormalDistributionByBootstrapping( List values1, List values2, final List sums1, final List sums2)
7. createNormativeTroopAllocation( List probs)
8. createNullElementList(int size)
9. createNullList(int numberOfElements)