Java AccessibleObject isAccessible()方法

java.lang.reflect.AccessibleObject.isAccessible()方法获取此对象的可访问标志的值。

1 语法

public boolean isAccessible()

2 参数

无

3 返回值

对象可访问标志的值。

4 示例 

package com.yiidian;

/**
 * 一点教程网： http://www.yiidian.com
 */
/**
 * Java AccessibleObject isAccessible()方法
 */
import java.lang.annotation.Retention;
import java.lang.annotation.RetentionPolicy;
import java.lang.annotation.Annotation;
import java.lang.reflect.AccessibleObject;

public class AccessibleObjectDemo {
   public static void main(String[] args) throws NoSuchMethodException, 
      SecurityException, NoSuchFieldException {
         AccessibleObject sampleField = SampleClass.class.getDeclaredField("sampleField");
         System.out.println("sampleField.isAccessible: " + sampleField.isAccessible());
   }
}

@CustomAnnotation(name="SampleClass",  value = "Sample Class Annotation")
class SampleClass {
   private String sampleField;

   @CustomAnnotation(name="sampleMethod",  value = "Sample Method Annotation")
   public String sampleMethod(){
      return "sample";
   }

   public String getSampleField() {
      return sampleField;
   }

   public void setSampleField(String sampleField) {
      this.sampleField = sampleField;
   } 
}

@Retention(RetentionPolicy.RUNTIME)
@interface CustomAnnotation {
   public String name();
   public String value();
}

输出结果为：

sampleField.isAccessible: false