Program.cs

c#
using System;

namespace Equals判断相等
{
    class Program
    {
        static void Main(string[] args)
        {
            //ToString Equals Object
            int a = 12;
            int b = 34;
            Console.WriteLine(a.Equals(b));// 值为Flase  a == b

            string str1 = "siki";
            string str2 = "siki";
            Console.WriteLine(str1.Equals(str2));

            Student stu1 = new Student(18, "小芳");
            Student stu2 = new Student(18, "小芳");
            //默认方法值为Flase         重写Equals方法后值为True
            Console.WriteLine(stu1.Equals(stu2));
            Console.WriteLine(stu1 == stu2);
        }
    }
}

Student.cs

c#
using System;
using System.Collections.Generic;
using System.Text;

namespace Equals判断相等
{
    class Student
    {
        private int age;
        private string name;

        public Student(int age, string name)
        {
            this.age = age;
            this.name = name;
        }

        public override bool Equals(object obj)  //重写Equals方法
        {
            Student stu = (Student)obj;//强制转换
            if(age==stu.age && name==stu.name)
            {
                return true;
            }
            return false;
        }
    }
}