PROGRAM TO FIND N'TH TERM OF AN ARTHMATIC PROGRESSION

import java.util.Scanner;
class Ap
{
public static void main(String[] args)
{
Scanner s=new Scanner(System.in);
System.out.println("enter how many text cases do you want");
int t=s.nextInt();
int a,b,c,d,n;
for(int i=0;i<t;i++)
{   
System.out.print("first two term");
a=s.nextInt();
b=s.nextInt();
System.out.println("enter which term to find");
c=s.nextInt();
d=b-a;
n=a+(c-1)*d;
System.out.println("n'th term ="+n);

}
}
}