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Nicholas Steele
683 Pointswhere is the letter variable getting its data from in this code? (getTileCount method)
its using letter in the for loop and for comparison but i dont know what the letter varaible is?
public class ScrabblePlayer {
private String mHand;
public ScrabblePlayer() {
mHand = "";
}
public String getHand() {
return mHand;
}
public void addTile(char tile) {
// Adds the tile to the hand of the player
mHand += tile;
}
public boolean hasTile(char tile) {
return mHand.indexOf(tile) > -1;
}
public int getTileCount(char tile) {
int count = 0;
for (char letter: mHand.toCharArray()) {
if(letter == tile) {
count += 1;
}
}
return count;
}
}
1 Answer
Rebecca Rich
Courses Plus Student 8,592 PointsThe for (char letter: mHand.toCharArray()) { ... } loop syntax walks through all of the elements in the mHand.toCharArray(), each time assigning the element to the variable letter that can then be used inside the loop.
It would be equivalent to this:
for (int i = 0; i < mHand.length(); i++) {
char letter = mHand.charAt(i);
...
}
Nicholas Steele
683 PointsNicholas Steele
683 Pointsokay so im just letting enhanced loops confuse me and the letter variable was just created for the for loop?
Rebecca Rich
Courses Plus Student 8,592 PointsRebecca Rich
Courses Plus Student 8,592 PointsYeah, the rest of your code seems fine. Indeed, it's just a different way of writing a for loop in Java; the letter variable was just created so that inside the for loop, you can walk through all of the letters in the scrabble hand and compare them to the letter you are looking for and trying to count the occurrences of. This has been a pretty popular question on these forums, so don't worry about it! It's good you came and asked about it.