第五十六道Java小问题

package mypackage;

import java.lang.annotation.ElementType;
import java.lang.annotation.Retention;
import java.lang.annotation.RetentionPolicy;
import java.lang.annotation.Target;
import java.lang.reflect.Method;

@Target(ElementType.METHOD)
@Retention(RetentionPolicy.RUNTIME)
@interface TestAnnotation {

public int id() default 5;
public String description();
}
class Anno
{

@TestAnnotation( id =6 )
public void g() {}
@TestAnnotation( id =7 )
protected void i() {}
@TestAnnotation( id =8 )
void f(){}
@TestAnnotation( id =9 )
private void h() {}
}
public class Test {



	public static void main(String[] args) {

		Method[] methods = Anno.class.getMethods();

		for (Method m : methods) {
			TestAnnotation a = m.getAnnotation(TestAnnotation.class);
			// System.out.print(m.getName());
			if (a != null)
				System.out.print(a.id());
		}
	}

}

 

请问以上程序的输出是: