Java Class New Instance newInstance(String className)

Description

Instantiates a new instance of the class represented by the given className.

License

Apache License

Parameter

Parameter	Description
E	a parameter
className	The name of the class to instantiate.

Return

A new instance of the requested class.

Declaration

@SuppressWarnings("unchecked")
public static <E> E newInstance(String className) 

Method Source Code

//package com.java2s;
/*/*  w  w  w. java  2s  . c  o  m*/
 * Copyright 2012 Marco Soeima
 *
 * 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.
 *
 */

public class Main {
    /**
     * Instantiates a new instance of the class represented by the given <code>className</code>.
     *
     * @param   <E>
     * @param   className  The name of the class to instantiate.
     *
     * @return  A new instance of the requested class.
     */
    @SuppressWarnings("unchecked")
    public static <E> E newInstance(String className) {

        if (className != null) {

            try {
                return (E) Class.forName(className).newInstance();
            } catch (InstantiationException e) {
            } catch (IllegalAccessException e) {
            } catch (ClassNotFoundException e) {
            }
        }

        return null;
    }
}

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