OUTPUT

Question

if I want to hide output such as

System.out.print("Input a : ");
a=sc.nextDouble();
if (a==0) {
// hide output "Input a : " // <--

what statement can help me?

Answer 1

try this function:

public static void clearScreen() {
System.out.print("\033[H\033[2J");
System.out.flush();
}

Not sure if it works on windows, this clear all the screen.

Answer 2

You can use system.exit(0); in the if block
Pls tell me if it works

Answer 3

can it clear only one line that is previous?