Java tutorial
//package com.java2s; /** * * Copyright 2008 - 2011 * * 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. * * @project loonframework * @author chenpeng * @emailceponline@yahoo.com.cn * @version 0.1.1 */ import java.lang.reflect.Array; public class Main { public static Object cut(Object obj, int size) { int j; if ((j = Array.getLength(obj)) == 1) { return Array.newInstance(obj.getClass().getComponentType(), 0); } int k; if ((k = j - size - 1) > 0) { System.arraycopy(obj, size + 1, obj, size, k); } j--; Object obj1 = Array.newInstance(obj.getClass().getComponentType(), j); System.arraycopy(obj, 0, obj1, 0, j); return obj1; } }