Assignment #74 Safe Square Root
Code
/// Name: John Huh
/// Period: 6
/// Program Name: Safe Square Root
/// File Name: SquareRoot.java
/// Date Finished: 1/26/2015
import java.util.Scanner;
public class SquareRoot
{
public static void main( String[] args )
{
Scanner keyboard = new Scanner(System.in);
int number;
Double root;
System.out.println();
System.out.println( "SQUARE ROOT!" );
System.out.print( "Enter a number: " );
number = keyboard.nextInt();
while ( number <= 0 )
{
System.out.println( "You can't take the square root of a negative number." );
System.out.print( "Try again: " );
number = keyboard.nextInt();
}
root = Math.sqrt(number);
System.out.println( "The square root of " + number + " is " + root + "." );
System.out.println();
}
}
Picture of the output