Yeah, it should have been this:
setImage(images[currentImage]);
setImage(images[currentImage]);
for (int i=0; i<wordToGuess.length(); i++)
{
if (input.equals(wordToGuess.substring(i,i+1)))
{
getWorld().showText(input, 400+20*i, 540);
lettersRemaining--;
}
else
{
getWorld().showText("_", 400+20*i, 540);
}
}//before 'while (livesLost < 9)'
String currentString = "";
for (int i=0; i<wortLaenge; i++) currentString = currentString + "_";
//....
for (int i=0; i<wordToGuess.length(); i++)
{
if (input.equals(wordToGuess.substring(i,i+1)))
{
currentString = currentString.subString(0, i) + input + currentString.subString(i+1);
}
getWorld().showText(currentString.subString(i, i+1), 400+20*i, 540);
}