src/share/classes/java/lang/Byte.java
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*** 444,453 ****
--- 444,484 ----
public static int compare(byte x, byte y) {
return x - y;
}
/**
+ * Converts the argument to an {@code int} by an unsigned
+ * conversion. In an unsigned conversion to an {@code int}, the
+ * high-order 24 bits of the {@code int} are zero and the
+ * low-order 8 bits are equal to the bits of the {@code byte} argument.
+ *
+ * @return the argument converted to {@code int} by an unsigned
+ * conversion
+ * @param x the value to convert to an unsigned {@code int}
+ * @since 1.8
+ */
+ public static int toUnsignedInt(byte x) {
+ return ((int) x) & 0xff;
+ }
+
+ /**
+ * Converts the argument to a {@code long} by an unsigned
+ * conversion. In an unsigned conversion to a {@code long}, the
+ * high-order 56 bits of the {@code long} are zero and the
+ * low-order 8 bits are equal to the bits of the {@code byte} argument.
+ *
+ * @return the argument converted to {@code long} by an unsigned
+ * conversion
+ * @param x the value to convert to an unsigned {@code long}
+ * @since 1.8
+ */
+ public static long toUnsignedLong(byte x) {
+ return ((long) x) & 0xffL;
+ }
+
+
+ /**
* The number of bits used to represent a {@code byte} value in two's
* complement binary form.
*
* @since 1.5
*/