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May 23, 2017 10:20
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com.javarush.task.task38.task3808 Неверные аннотации
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package com.javarush.task.task38.task3808; | |
import java.lang.annotation.ElementType; | |
import java.lang.annotation.Target; | |
@Target(ElementType.METHOD) | |
@interface Main | |
{ | |
} |
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package com.javarush.task.task38.task3808; | |
import java.lang.annotation.ElementType; | |
import java.lang.annotation.Target; | |
import java.util.ArrayList; | |
import java.util.List; | |
/* | |
Неверные аннотации | |
*/ | |
public class Solution | |
{ | |
@Main | |
public static void main(String[] args) | |
{ | |
Solution solution = new Solution ( ).new SubSolution ( ); | |
solution.overriddenMethod ( ); | |
} | |
public void overriddenMethod() | |
{ | |
} | |
public class SubSolution extends Solution | |
{ | |
@Override | |
public void overriddenMethod() | |
{ | |
System.out.println ( uncheckedCall ( ) ); | |
} | |
@SuppressWarnings("unchecked") | |
List uncheckedCall() | |
{ | |
List list = new ArrayList ( ); | |
list.add ( "hello" ); | |
return list; | |
} | |
} | |
} |
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taskKey="com.javarush.task.task38.task3808" | |
Неверные аннотации | |
Исправь неверные аннотации. Код должен компилироваться без ошибок и предупреждений. | |
Избегай избыточности. Не нужно писать подряд все знакомые тебе аннотации. | |
Требования: | |
1. Аннотация @Main должна использоваться только для аннотирования методов. | |
2. Метод main класса Solution должен быть отмечен только аннотацией @Main. | |
3. Метод overriddenMethod класса SubSolution должен быть отмечен только аннотацией @Override. | |
4. В методе uncheckedCall должны быть подавлены unchecked warnings с помощью аннотации. | |
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