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按长度和类类型创建数组
/* * JBoss, Home of Professional Open Source. * Copyright 2014 Red Hat, Inc., and individual 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. */ //package com.nowjava; import java.lang.reflect.Array; /**from 时 代 J a v a 公 众 号**/ public class Main { public static void main(String[] argv) { Class elemType = String.class; int length = 42; System.out.println(java.util.Arrays.toString(createArray(elemType, length))); } @SuppressWarnings("unchecked")