baby
import java.util.Scanner;
public class baby
{
public static void main( String[] args )
{
Scanner keyboard = new Scanner(System.in);
double a, b, c = 0;
String op;
do
{
System.out.print("> ");
a = keyboard.nextDouble();
op = keyboard.next();
b = keyboard.nextDouble();
if ( op.equals("+") ) {
c = a + b;
} else if ( op.equals("-") ) {
c = a - b;
} else if ( op.equals("*") ) {
c = a * b;
} else if ( op.equals("/") ) {
c = a / b;
} else
System.out.println( "Whoops, taht was a mistake." );
System.out.println(c);
} while ( a != 0 );
}
}
Picture of the output