Java – read multiple scanner inputs
•
Java
What I want to do is have multiple inputs with different variables Each variable is part of a different equation I'm looking for a way to do this, and I think I have an idea I just want to know if it's legal and if there's a better way to do it
import java.util.*;
public class Example{
public static void main(String args[]){
Scanner dd = new Scanner(system.in);
System.out.println("Enter number.");
int a = dd.nextInt();
System.out.println("Enter number.");
int b = dd.nextInt();
System.out.println("Enter number.");
int c = dd.nextInt();
}
}
Solution
If each input asks the same question, use the for loop and the input array:
Scanner dd = new Scanner(system.in);
int[] vars = new int[3];
for(int i = 0; i < vars.length; i++) {
System.out.println("Enter next var: ");
vars[i] = dd.nextInt();
}
Or, as chip suggests, you can parse the input from one line:
Scanner in = new Scanner(system.in);
int[] vars = new int[3];
System.out.println("Enter "+vars.length+" vars: ");
for(int i = 0; i < vars.length; i++)
vars[i] = in.nextInt();
You're on the right track. What work have you done It's just a better, more flexible way of doing things
The content of this article comes from the network collection of netizens. It is used as a learning reference. The copyright belongs to the original author.
THE END
二维码
