新增：通过IntBuffer操作ByteBuffer的int型数据

Author: JeffLi1993

src/org/javacore/nio/IntBufferDemo.java

@@ -0,0 +1,49 @@
+package org.javacore.nio;
+
+import java.nio.ByteBuffer;
+import java.nio.IntBuffer;
+
+/*
+ * Copyright [2015] [Jeff Lee]
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+/**
+ * @author Jeff Lee
+ * @since 2015-10-12 18:53:01
+ *  通过IntBuffer操作ByteBuffer的int型数据
+ */
+public class IntBufferDemo {
+    private static final int BSIZE = 1024;// 1字节
+    public static void main(String[] args) {
+        // 创建1字节大小的字节缓冲区
+        ByteBuffer bb = ByteBuffer.allocate(BSIZE);
+        // int视图缓冲区
+        IntBuffer ib = bb.asIntBuffer();
+        // 存储一个数组
+        ib.put(new int[]{1, 2, 3, 4, 5, 6});
+        // 通过访问ByteBuff字节缓冲区，获取某个位置的值
+        System.out.println(ib.get(3));
+        // 存储一个int数据
+        ib.put(3, 44);
+        // 反转缓冲区
+        ib.flip();
+        // 如果当前位置还有元素
+        while (ib.hasRemaining()) {
+            // 获取当前位置的元素
+            int i = ib.get();
+            System.out.println(i);
+        }
+    }
+}