Java Class New Instance newInstance(Class clazz)

Description

new Instance

License

Open Source License

Declaration

public static <T> T newInstance(Class<?> clazz) 

Method Source Code

//package com.java2s;
/**//from   w w  w.j  a  v  a2s  . c  o m
 * Tencent is pleased to support the open source community by making Tars available.
 *
 * Copyright (C) 2016 THL A29 Limited, a Tencent company. All rights reserved.
 *
 * Licensed under the BSD 3-Clause License (the "License"); you may not use this file except
 * in compliance with the License. You may obtain a copy of the License at
 *
 * https://opensource.org/licenses/BSD-3-Clause
 *
 * 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.
 */

public class Main {
    public static <T> T newInstance(Class<?> clazz) {
        try {
            return (T) clazz.newInstance();
        } catch (Exception e) {
            throw new RuntimeException("instance Class: " + clazz.getName() + " with ex: " + e.getMessage(), e);
        }
    }

    public static <T> T newInstance(String className) {
        try {
            return (T) Class.forName(className).newInstance();
        } catch (Exception e) {
            throw new RuntimeException("instance Class: " + className + " with ex: " + e.getMessage(), e);
        }
    }

    public static Class<?> forName(String className) {
        try {
            return Class.forName(className);
        } catch (Exception e) {
            throw new RuntimeException("forName Class: " + className + " with ex: " + e.getMessage(), e);
        }
    }
}

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