How can i clear the screen???

yup! how can i d that before i print the content into the screen???

In Windows, you can use this configuration. Don't forget the changes in config.sys.
// The following line must be added to
// config.sys for clearscreen to work !!
// DEVICE=C:\WINDOWS\COMMAND\ANSI.SYS
public class ClearScreen {
  public Test() {
    System.out.println("Hi How are you?\n\n\n" );
    System.out.println("Hi How are you?\n" );
    char esc = 27;
    String clear = esc + "[2J";
    System.out.print(clear);
  public static void main(String[] args) {
    new Test();
}

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