Java 检查类i的构造函数是否私有并增加行覆盖率

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//package com.nowjava;

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import java.lang.reflect.Constructor;

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import java.lang.reflect.InvocationTargetException;

/*

 from 时 代      J a v a   公   众 号 - nowjava.com 

*/

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import java.lang.reflect.Modifier;

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public class Main {

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

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        Class clazz = String.class;

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

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    }

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    /**

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     * Checks if constructor of class i private and adds line coverage

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     */

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    public static boolean isPrivate(Class<?> clazz)

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            throws NoSuchMethodException, SecurityException,

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            InstantiationException, IllegalAccessException,

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            IllegalArgumentException, InvocationTargetException {

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        Constructor<?> constructor = clazz

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                .getDeclaredConstructor((Class<?>[]) null);

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        // the modifiers int can tell us metadata about the constructor/** 时 代 J a v a 公 众 号 - N o w J a v  a . c o m 提供 **/

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        int constructorModifiers = constructor.getModifiers();

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        // constructor is private so we first have to make it accessible

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