Java Class isMemberClass()方法及示例

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Java Class isMemberClass()方法及示例

java.lang.Class类isMemberClass() 方法用于检查该类是否为成员类。如果该类是成员类,该方法返回true。否则返回false。
语法:

public boolean isMemberClass()

参数: 该方法不接受任何参数。

返回值: 如果这个类是成员类,该方法返回 true 。否则返回 false

下面的程序演示了isMemberClass()方法。

示例1:

// Java program to demonstrate isMemberClass() method public class Test {    public static void main(String[] args)        throws ClassNotFoundException    {         // returns the Class object for this class        Class myClass = Class.forName("Test");         System.out.println("Class represented by myClass: "                           + myClass.toString());         // Check if this class is an memberClass        // using isMemberClass() method        System.out.println("Is Test an memberClass: "                           + myClass.isMemberClass());    }}

输出

Class represented by myClass: class TestIs Test an memberClass: false

例2:

// Java program to demonstrate isMemberClass() method public class Test {     class A {    }     public static void main(String[] args)        throws ClassNotFoundException    {         // returns the Class object for A        Class myClass = A.class;         // Check if myClass is an memberClass        // using isMemberClass() method        System.out.println("Is A an memberClass: "                           + myClass.isMemberClass());    }}

输出

Is A an memberClass: true

参考资料: https://docs.oracle.com/javase/9/docs/api/java/lang/Class.html#isMemberClass-

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