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Search Interview Questions |  3273 questions in repository. There are more than 200 unanswered questions. Click here and help us by providing the answer. Have a video suggestion. Click Correct / Improve and please let us know. |
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| Interview Questions and Answers for 'Abc ltd' - 3 question(s) found - Order By Newest | |||||
 Frequently asked question for intermediate developers. | |||||
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| Ans. Volatile is a declaration that a variable can be accessed by multiple threads and hence shouldnt be cached. | |||||
 Sample Code for volatile | |||||
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 Discuss Correct / Improve  java oops synchronization volatile java keywords  Asked in 42 Companies  intermediate  frequent | |||||
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 Related Questions | |||||
 How does volatile affect code optimization by compiler? | |||||
| how is the internal code for the "volatile" implemented ? | |||||
| What are the different ways to avoid multi Threading related problems in Java ? | |||||
| Can we make array volatile in Java ? | |||||
| Have you heard of volatile Table in Teradata ? | |||||
| what is volatile and atomic | |||||
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| Ans. No Difference. Both are the acceptable ways to declare an array. | |||||
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| Discuss Correct / Improve java array arrays array declaration difference between Asked in 3 Companies basic | |||||
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| Is this array declaration correct ? If not , Why ? String[] strArray = new String[]; | |||||
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| Ans. Yes. Both concepts are independent of each other. Overriding depends on the methods with same name and signature whereas Overloading on same name but with different signatures. All definitions of an overloaded method can be individually overridden in the derived class. For example - Class A has overloaded methods "public void myMethod(String str)" and "public void myMethod(int x)" We can have derived class ClassB extends ClassA and hence can override both methods myMethod(String str) and myMethod(int x) in ClassB | |||||
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| What are points to consider in terms of access modifier when we are overriding any method? | |||||
| Difference between Overloading and Overriding ? | |||||
| How compiler handles the exceptions in overriding ? | |||||
| Overridden methods must have the same ... | |||||
| What is a Final Method ? | |||||
| Can we reduce the visibility of the inherited or overridden method ? | |||||
| what is covariant return type? | |||||
| Can we reduce the visibility of the overridden method ? | |||||
| Does java allow overriding static methods ? | |||||
| What restrictions are placed on method overriding? | |||||
