The object class ToString method overrides the Equals method override

The

Object class has the ToString method, and the Equals method
ToString () Overrides:
Equals () method:
Double equals comparison is, is the same object
equals, two objects are not like a

Package test;
    public class Teacher {private String name;


    private int age;
    /** * Rewrite tostring */public String tostring () {return name; 
        }/** * Overrides equals * is used to determine if the current object is "as long as the given object" * compared to the content (property name) */public Boolean equals (object obj) {
        if (obj = = null) {//passed in object is null return false;
        } if (obj = = this) {//pass in the object whether it is itself return true;
            The IF (obj instanceof Teacher) {//passed in object is the same type of Teacher t = (Teacher) obj;
        Return T.name.equals (this.name) && t.age = = This.age;
    } return false;
        } public static void Main (string[] args) {Teacher tea = new Teacher ();
        Tea.name = "Wang";
        Tea.age = 31;
        System.out.println (tea);//wang println () calls the ToString method Teacher tea1 = new Teacher ();
        Tea1.name = "Wang";
        Tea1.age = 31; System.out.println (tea==TEA1);//false double equals comparison is whether the same object System.out.println (Tea.equals (TEA1));//true}}