src/share/classes/java/lang/Integer.java

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*** 636,645 **** --- 636,648 ---- * required, this method should generally be used in preference to * the constructor {@link #Integer(int)}, as this method is likely * to yield significantly better space and time performance by * caching frequently requested values. * + * This method will always cache values in the range -128 to 127, + * inclusive, and may cache other values outside of this range. + * * @param i an {@code int} value. * @return an {@code Integer} instance representing {@code i}. * @since 1.5 */ public static Integer valueOf(int i) {