import java.awt.*;
public class Ta1 extends TextArea{
int korras=0;
String lisa="";
public Ta1(int x, int y){
 super(x, y);
}
  public void juurde(String s){
    lisa+=s;
    appendText("!! "+s);
  }
  public void korras(){
   replaceText(lisa, korras, getText().length());
   lisa="";
   korras=getText().length();
  }
}