ClassInfo

package com.shrimpking.t5;

/**
 * Created by IntelliJ IDEA.
 *
 * @Author : Shrimpking
 * @create 2024/9/12 15:45
 */
public class MyClass
{
    public int pubField;
    protected int proField;
    private int priField;

    public MyClass(){}
    public MyClass(int a){}
    public MyClass(int a,int b){}
    public MyClass(int a,int b,int c){}

    public void pubMethod(){}
    protected void proMethod(){}
    void defMethod(){}
    private void priMethod(){}

    public static void staticMethod(){}
}

package com.shrimpking.t5;

/**
 * Created by IntelliJ IDEA.
 *
 * @Author : Shrimpking
 * @create 2024/9/12 15:49
 */
public interface MyInterface
{
    float pi = 3.14f;
    void fun();
    default void defFunc(){}
    static void staticFunc(){}
//    private void priFunc(){}
}

package com.shrimpking.t5;

import java.lang.reflect.Constructor;
import java.lang.reflect.Field;
import java.lang.reflect.Method;

/**
 * Created by IntelliJ IDEA.
 *
 * @Author : Shrimpking
 * @create 2024/9/12 15:50
 */
public class ClassInfo
{
    public static void main(String[] args)
    {
        Class clz = MyClass.class;
        System.out.println("Fields：");
        //获取公共字段
        for (Field f : clz.getFields()){
            System.out.println(f);
        }
        System.out.println("----");
        System.out.println("Constructors:");
        //获取所有声明的构造器
        for (Constructor c: clz.getDeclaredConstructors()){
            System.out.println(c);
        }
        System.out.println("----");
        System.out.println("Methods:");
        //获取公共方法，包含Object继承的公共方法
        for (Method m : clz.getMethods()){
            System.out.println(m);
        }
        System.out.println("----");

        clz = MyInterface.class;
        System.out.println("Interface Method:");
        for (Method m : clz.getMethods()){
            System.out.println(m);
        }

    }
}