[IL71.1] Add some javadoc.
Change-Id: I382abd3104d535a1e868935d8cfb4e34ad8ebaed
diff --git a/java/src/com/android/inputmethod/latin/utils/StringUtils.java b/java/src/com/android/inputmethod/latin/utils/StringUtils.java
index 8fc245d..6f15b11 100644
--- a/java/src/com/android/inputmethod/latin/utils/StringUtils.java
+++ b/java/src/com/android/inputmethod/latin/utils/StringUtils.java
@@ -174,6 +174,13 @@
return toCodePointArray(string, 0, string.length());
}
+ /**
+ * Converts a range of a string to an array of code points.
+ * @param string the source string.
+ * @param startIndex the start index inside the string in java chars, inclusive.
+ * @param endIndex the end index inside the string in java chars, exclusive.
+ * @return a new array of code points. At most endIndex - startIndex, but possibly less.
+ */
public static int[] toCodePointArray(final String string,
final int startIndex, final int endIndex) {
final int length = string.length();