Ява чистая консоль
Runtime.getRuntime().exec("cls");
Nimorum
Runtime.getRuntime().exec("cls");import java.io.IOException;
import java.util.Scanner;
public class LimpaConsole {
public static void main(String[] args) throws IOException, InterruptedException {
Scanner scanner = new Scanner(System.in);
System.out.println("Teste");
String texto = scanner.next();
//Limpa a tela no windows, no linux e no MacOS
if (System.getProperty("os.name").contains("Windows"))
new ProcessBuilder("cmd", "/c", "cls").inheritIO().start().waitFor();
else
Runtime.getRuntime().exec("clear");
}
}