Look it up on a best buy website ion know
<span>Two-tiered client/server architecture.
The two-tier is based on Client Server architecture. The two-tier architecture is like client server application. The direct communication takes place between client and server. There is no intermediate between client and server. Because of tight coupling a 2 tiered application will run faster</span>
import java.util.Scanner;
public class JavaApplication42 {
public static void main(String[] args) {
Scanner scan = new Scanner(System.in);
int count = 0;
System.out.println("Enter an integer between 0 and 100");
int num = scan.nextInt();
if (num <= 0 || num >= 100){
System.out.println("error");
}
else{
while(num <= 100){
if (count == 20){
System.out.println("");
count = 0;
}
else{
System.out.print(num+" ");
count++;
num++;
}
}
}
}
}
I hope this helps!