Limpar CMD

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");

    }

}