Here you can find the source of newInstance(String className)
Parameter | Description |
---|---|
className | the class name |
public static Object newInstance(String className)
//package com.java2s; /** //w w w.j a va2 s.c om * Copyright 2011 The Apache Software Foundation * * 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. * * @author Felipe Oliveira (http://mashup.fm) * */ public class Main { /** * New instance. * * @param className the class name * @return the object */ public static Object newInstance(String className) { Class<?> clazz; try { clazz = Class.forName(className); return clazz.newInstance(); } catch (ClassNotFoundException e) { throw new RuntimeException(e); } catch (InstantiationException e) { throw new RuntimeException(e); } catch (IllegalAccessException e) { throw new RuntimeException(e); } } /** * New instance. * * @param <T> the generic type * @param clazz the clazz * @return the t */ public static <T> T newInstance(Class<T> clazz) { try { return clazz.newInstance(); } catch (Exception e) { throw new RuntimeException(e); } } }