feat(jdk8): move files to new folder to avoid resources compiled.

jdkSrc/jdk8/java/util/function/IntUnaryOperator.java

@@ -0,0 +1,95 @@
+/*
+ * Copyright (c) 2012, 2013, Oracle and/or its affiliates. All rights reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.  Oracle designates this
+ * particular file as subject to the "Classpath" exception as provided
+ * by Oracle in the LICENSE file that accompanied this code.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ */
+package java.util.function;
+
+import java.util.Objects;
+
+/**
+ * Represents an operation on a single {@code int}-valued operand that produces
+ * an {@code int}-valued result.  This is the primitive type specialization of
+ * {@link UnaryOperator} for {@code int}.
+ *
+ * <p>This is a <a href="package-summary.html">functional interface</a>
+ * whose functional method is {@link #applyAsInt(int)}.
+ *
+ * @see UnaryOperator
+ * @since 1.8
+ */
+@FunctionalInterface
+public interface IntUnaryOperator {
+
+    /**
+     * Applies this operator to the given operand.
+     *
+     * @param operand the operand
+     * @return the operator result
+     */
+    int applyAsInt(int operand);
+
+    /**
+     * Returns a composed operator that first applies the {@code before}
+     * operator to its input, and then applies this operator to the result.
+     * If evaluation of either operator throws an exception, it is relayed to
+     * the caller of the composed operator.
+     *
+     * @param before the operator to apply before this operator is applied
+     * @return a composed operator that first applies the {@code before}
+     * operator and then applies this operator
+     * @throws NullPointerException if before is null
+     *
+     * @see #andThen(IntUnaryOperator)
+     */
+    default IntUnaryOperator compose(IntUnaryOperator before) {
+        Objects.requireNonNull(before);
+        return (int v) -> applyAsInt(before.applyAsInt(v));
+    }
+
+    /**
+     * Returns a composed operator that first applies this operator to
+     * its input, and then applies the {@code after} operator to the result.
+     * If evaluation of either operator throws an exception, it is relayed to
+     * the caller of the composed operator.
+     *
+     * @param after the operator to apply after this operator is applied
+     * @return a composed operator that first applies this operator and then
+     * applies the {@code after} operator
+     * @throws NullPointerException if after is null
+     *
+     * @see #compose(IntUnaryOperator)
+     */
+    default IntUnaryOperator andThen(IntUnaryOperator after) {
+        Objects.requireNonNull(after);
+        return (int t) -> after.applyAsInt(applyAsInt(t));
+    }
+
+    /**
+     * Returns a unary operator that always returns its input argument.
+     *
+     * @return a unary operator that always returns its input argument
+     */
+    static IntUnaryOperator identity() {
+        return t -> t;
+    }
+}