1、Enhancer demo

2、Calendar cross year test

Author: hnrpf

JavaProjectTest/src/CalendarCrossYearTest.java

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+import java.text.SimpleDateFormat;
+import java.util.Calendar;
+
+
+public class CalendarCrossYearTest {
+	
+	public static void main(String args[]){
+		SimpleDateFormat format = new SimpleDateFormat("yyyy-MM-dd");
+		Calendar c = Calendar.getInstance();
+		System.out.println(format.format(c.getTime()));
+		
+		c.add(Calendar.DAY_OF_YEAR, 1);
+		c.set(Calendar.HOUR_OF_DAY, 0);
+		c.set(Calendar.MINUTE, 0);
+		c.set(Calendar.SECOND, 0);
+		c.set(Calendar.MILLISECOND, 0);
+		System.out.println(format.format(c.getTime()));
+	}
+
+}

JavaProjectTest/src/EnhancerDemo.java

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+import java.lang.reflect.Method;
+
+import net.sf.cglib.proxy.Enhancer;
+import net.sf.cglib.proxy.MethodInterceptor;
+import net.sf.cglib.proxy.MethodProxy;
+
+
+public class EnhancerDemo {
+
+	public static void main(String args[]){
+		Enhancer enhancer = new Enhancer();  
+        enhancer.setSuperclass(EnhancerDemo.class);  
+        enhancer.setCallback(new MethodInterceptorImpl());  
+           
+        EnhancerDemo demo = (EnhancerDemo) enhancer.create();  
+        demo.test();           
+        System.out.println(demo);  
+	}
+	
+	 public void test() {  
+	        System.out.println("EnhancerDemo test()");  
+	    }  
+	
+	private static class MethodInterceptorImpl implements MethodInterceptor {  
+
+		@Override
+		public Object intercept(Object obj, Method method, Object[] args,
+				MethodProxy proxy) throws Throwable {
+			System.out.println("Before invoke " + method);  
+            Object result = proxy.invokeSuper(obj, args);  
+            System.out.println("After invoke" + method);  
+            return result;  
+		}    
+    } 
+}

JavaProjectTest/src/RetryTest.java

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+
+public class RetryTest {
+		public static void main(String args[]) {
+			int i = 0;
+			retry:   // 1
+				if(i==5){
+					return;
+				}
+			for( i = 0;i < 10;i++) {
+				{
+					if(i==5){
+//						continue retry;
+					}
+				}
+					System.out.print(i + " ");
+			}
+		}
+
+}