Exception and Inheritance in JAVA
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Published on 2012-10-19T16:47:56Z
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2012/10/19
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Suppose we have this problem
public class Father{
public void method1(){...}
}
public class Child1 extends Father{
public void method1() throws Exception{
super.method1();
...
}
}
Child1 extends Father and override method1 but given implementation Child1.method1 now throws a exception, this wont compile as override method can't throw new exceptions. What is the best solution?
- Propagate the required exception to the Father.. to me this is against encapsulation, inheritance and general OOP ( the father potentially throw and exception that will never happen )
- Use a RuntimeException instead? This solution wont propagate the Exception to the father but I read In Oracle docs and others sources states class of exceptions should be used when "Client code cannot do anything" this is not that case, this exception will b useful to recover blablabla ( why is wrong to use RuntimeException instead? )
- Other..
thanks, Federico
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