how to scan Integer in Java
import java.util.*;
public class HowToScan {
public static void main( String args[] )
{
Scanner S = new Scanner(System.in);
int a;
int b;
int sum;
a = S.nextInt();
b = S.nextInt();
sum = a + b;
System.out.println( a + "+" + b + "=" + sum );
}
}java to check if its a number scanner
Scanner sc = new Scanner(System.in);
int number;
do {
System.out.println("Please enter a positive number!");
while (!sc.hasNextInt()) {
System.out.println("That's not a number!");
sc.next(); // this is important!
}
number = sc.nextInt();
} while (number <= 0);
System.out.println("Thank you! Got " + number);Copyright © 2021 Codeinu
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