@@ -0,0 +1,71 @@
+package org.javacore.thread;
+
+import java.util.ArrayList;
+import java.util.concurrent.Callable;
+import java.util.concurrent.ExecutionException;
+import java.util.concurrent.ExecutorService;
+import java.util.concurrent.Executors;
+import java.util.concurrent.Future;
+/**
+ * Created by BYSocket on 2015/11/2.
+ *
+ * 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 2015-11-2 18:58:36
+ * 	Callable接口的使用 --- 实现带返回值的任务
+ */
+
+// Callable实现类task，指定其类型参数
+class TaskWithResult implements Callable<String> {
+
+    private int id;
+    public TaskWithResult(int id) {
+        this.id = id;
+    }
+
+    @Override
+    public String call() throws Exception {
+        return "result of TaskWithResult " + id;
+    }
+}
+
+public class CallableDemo {
+    public static void main(String[] args) {
+        // 创建一个新的线程池
+        ExecutorService exec = Executors.newCachedThreadPool();
+        // Callable实现类task的返回结果集
+        ArrayList<Future<String>> results = new ArrayList<>();
+        for (int i = 0; i < 5 ; i++)
+            results.add(exec.submit(new TaskWithResult(i)));// 使用submit来启动Tasks
+
+        // 异步计算的结果
+        for (Future<String> fs : results)
+            try {
+                // get阻塞，直至获取结果
+                System.out.println(fs.get());
+            } catch (InterruptedException e) {
+                System.out.println(e);
+                e.printStackTrace();
+            } catch (ExecutionException e) {
+                System.out.println(e);
+                e.printStackTrace();
+            } finally {
+                exec.shutdown();
+            }
+    }
+}