15 * accompanied this code).
16 *
17 * You should have received a copy of the GNU General Public License version
18 * 2 along with this work; if not, write to the Free Software Foundation,
19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
20 *
21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
22 * or visit www.oracle.com if you need additional information or have any
23 * questions.
24 */
25 package java.util.function;
26
27 /**
28 * An operation upon a single operand yielding a result. The operand and the
29 * result are of the same type.
30 *
31 * @param <T> the type of operand to {@code operate} and of the result
32 *
33 * @since 1.8
34 */
35 public interface UnaryOperator<T> {
36
37 /**
38 * Returns the result of the operation upon the operand.
39 *
40 * @param operand the operand
41 * @return the operation result
42 */
43 public T operate(T operand);
44 }
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15 * accompanied this code).
16 *
17 * You should have received a copy of the GNU General Public License version
18 * 2 along with this work; if not, write to the Free Software Foundation,
19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
20 *
21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
22 * or visit www.oracle.com if you need additional information or have any
23 * questions.
24 */
25 package java.util.function;
26
27 /**
28 * An operation upon a single operand yielding a result. The operand and the
29 * result are of the same type.
30 *
31 * @param <T> the type of operand to {@code operate} and of the result
32 *
33 * @since 1.8
34 */
35 public interface UnaryOperator<T> extends Function<T, T> {
36
37 @Override
38 public default T apply(T operand) {
39 return operate(operand);
40 }
41
42 /**
43 * Returns the result of the operation upon the operand.
44 *
45 * @param operand the operand
46 * @return the operation result
47 */
48 public T operate(T operand);
49 }
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