how to make a typewriter effect in jaca
String text = "hello world";
int i;
for(i = 1; i <= text.length(); i++){
g.drawString(text.subString(0, i), x, y);//Where g is your Graphics object and x and y are the coordinates you want to draw at
try{
Thread.sleep(500);//0.5s pause between characters
}catch(InterruptedException ex){
Thread.currentThread().interrupt();
}
}