How do I get unique display info in java (class and methods)

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Java

Basically, in this program,
we took 1 class i.e employee
and 2 methods - 1 for input and other one for display.

But here I do want display the displayinfo uniquely,
but instead the last record is getting printed based on the number...

I do know the reason, but can I get that unique output-
can it be done without an array!!
or how ??

What I have tried:

<pre>import java.util.*;
class employee
{
int id;
String name;
int salary;
void info(){
Scanner obj = new Scanner(System.in);
System.out.println("Enter the id ??");
id = obj.nextInt();
System.out.println("Enter the name ??");
name = obj.next();
System.out.println("Enter the salary ??");
salary = obj.nextInt();
}
void displayinfo(){
System.out.println(" "+id+"  "+name+"  "+salary); 
}
public static void main(String[] args){
Scanner sc = new Scanner(System.in);
System.out.println("Enter the no. of records u want to enter ??");
int num = sc.nextInt();
employee a = new employee();
for(int i=0;i<num;i++){
	a.info();
	}
for(int j=0;j<num;j++){
	a.displayinfo();
	}
    }
}

Myoutput -
```
Enter the no. of records u want to enter ??
3
Enter the id ??
1
Enter the name ??
sdfsd
Enter the salary ??
34234
Enter the id ??
2
Enter the name ??
dfgdfg
Enter the salary ??
456456
Enter the id ??
3
Enter the name ??
thrytr
Enter the salary ??
53413
3 thrytr 53413
3 thrytr 53413
3 thrytr 53413
```