Java 尝试找到给定类的默认构造函数

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尝试找到给定类的默认构造函数

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/**

* 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;
/*
时 代 J a v a 公 众 号 提供
*/

import java.lang.reflect.Constructor;

public class Main {

public static void main(String[] argv) throws Exception {

Class clazz = String.class;

System.out.println(findDefaultConstructor(clazz));

}

/**

* Attempts to locate the default constructor of the given class

* @param clazz - the class to search

* @return the default constructor or null if not found

public static Constructor findDefaultConstructor(Class clazz) {

Constructor[] constructors = clazz.getDeclaredConstructors();

for (int i = 0; i < constructors.length; i++) {
/**代码未完, 请加载全部代码(NowJava.com).**/

​x
 
​
/**
​
 * Copyright 2008-2009 the original author or authors.
​
 *
​
 * 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;
/*
时 代 J a v a 公 众 号 提供
*/
​
​
import java.lang.reflect.Constructor;
​
​
public class Main {
​
    public static void main(String[] argv) throws Exception {
​
        Class clazz = String.class;
​
        System.out.println(findDefaultConstructor(clazz));
​
    }
​
​
    /**
​
     * Attempts to locate the default constructor of the given class
​
     *
​
     * @param clazz - the class to search
​
     * @return the default constructor or null if not found
​
     */
​
    public static Constructor findDefaultConstructor(Class clazz) {
​
        Constructor[] constructors = clazz.getDeclaredConstructors();
​
        for (int i = 0; i < constructors.length; i++) {
/**代码未完, 请加载全部代码(NowJava.com).**/