Question

In Java create the equals() and toString() method for the Student Class

Two students objects are considered equal if their id is the same. The toString() method should print out the name and id of the object.

Answer 1

/* Here is your Student.java file, in which toString() and equals are implemented*/

import java.util.Scanner;
public class Student
{         int id;String name;
public void toString(Student o) {
System.out.println(id+" "+name+" "+o.id+" "+o.name) ;
}
public Boolean equals(Student o) {
if(id==o.id)
return true;
else
return false;
}
   public static void main(String[] args) {
   Scanner sc=new Scanner(System.in);
   Student m[]=new Student[2];
       System.out.println("Enter student id and name of 1st student:");
m[0]=new Student();
       m[0].id=sc.nextInt();
       sc.nextLine();
       m[0].name=sc.nextLine();
       System.out.println("Enter student id and name of 1st student:");
       m[1]=new Student();
               m[1].id=sc.nextInt();
               sc.nextLine();
       m[1].name=sc.nextLine();
       if(m[0].equals(m[1]))
       m[0].toString(m[1]);
   }
}