所有类型的Class对象

• class
• interface
• 数组
• 枚举
• 注解
• 基本数据类型
• void

例子

/**
 * @Description TODO
 * @Author Administrator
 * @Date 2020/11/29 20:45
 */
public class Test04 {

    public static void main(String[] args) {

        /**
         * 类
         */
        Class c1 = Object.class;
        /**
         * 接口
         */
        Class c2 = Comparable.class;
        /**
         * 一维数组
         */
        Class c3 = String[].class;
        /**
         * 二维数组
         */
        Class c4 = int[][].class;
        /**
         * 注解
         */
        Class c5 = Override.class;
        /**
         * 枚举
         */
        Class c6 = ElementType.class;
        /**
         * 基本类型
         */
        Class c7 = Integer.class;
        Class c72 = int.class;
        /**
         * void
         */
        Class c8 = void.class;
        /**
         * Class类
         */
        Class c9 = Class.class;

        System.out.println(c1);
        System.out.println(c2);
        System.out.println(c3);
        System.out.println(c4);
        System.out.println(c5);
        System.out.println(c6);
        System.out.println(c7);
        System.out.println(c72);
        System.out.println(c8);
        System.out.println(c9);

        int[] a = new int[10];
        int[] b = new int[100];
        System.out.println(a.getClass().hashCode());
        System.out.println(b.getClass().hashCode());

    }
}

结果

class java.lang.Object
interface java.lang.Comparable
class [Ljava.lang.String;
class [[I
interface java.lang.Override
class java.lang.annotation.ElementType
class java.lang.Integer
int
void
class java.lang.Class
356573597
356573597

Process finished with exit code 0