first commit

springboot-helloworld/src/main/java/org/spring/springboot/Application.java

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+package org.spring.springboot;
+
+import org.springframework.boot.SpringApplication;
+import org.springframework.boot.autoconfigure.SpringBootApplication;
+
+/**
+ * Spring Boot应用启动类
+ *
+ * Created by bysocket on 16/4/26.
+ */
+// Spring Boot 应用的标识
+@SpringBootApplication
+public class Application {
+
+    public static void main(String[] args) {
+        // 程序启动入口
+        // 启动嵌入式的Tomcat并初始化Spring环境及其各Spring组件
+        SpringApplication.run(Application.class,args);
+    }
+}

springboot-helloworld/src/test/java/org/spring/springboot/web/HelloWorldControllerTest.java

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+package org.spring.springboot.web;
+
+import org.junit.Test;
+
+import static org.junit.Assert.assertEquals;
+
+/**
+ * Spring Boot HelloWorldController 测试 - {@link HelloWorldController}
+ *
+ * Created by bysocket on 16/4/26.
+ */
+public class HelloWorldControllerTest {
+
+    @Test
+    public void testSayHello() {
+        assertEquals("Hello,World!",new HelloWorldController().sayHello());
+    }
+}