When a class extends more than one classes then it is called multiple inheritance. Java doesn’t support multiple inheritance whereas C++ supports it, this is one of the difference between java and C++.Refer:Why java doesn’t support multiple inheritance? Q) What is Polymorphism and what are ...
HashMapis a very powerful data structure inJava. We use it everyday and almost in all applications. I would suggest you to visit tutorial for more details:https://crunchify.com/hashmap-vs-concurrenthashmap-vs-synchronizedmap-how-a-hashmap-can-be-synchronized-in-java/ Interview Questi...
Java 8 has been released in March 2014, so it’s one of the hot topics in java interview questions. If you answer this question clearly, it will show that you like to keep yourself up-to-date with the latest technologies. Java 8 has been one of the biggest releases after Java 5 anno...
Functional interfacescompletely changed how we look at both fundamental building blocks of Java language. You cannot skip this question if your resume says you work on Java 8. In the linked tutorial, I will show you the correct scenarios, which will help you crack some complex interview questio...
11. What is polymorphism, and how is it implemented in Java/Python? In OOP, polymorphism allows you to use the same name for different methods that have different behaviors depending on the input. This is commonly used in combination with inheritance. For example, say we have a parent class...
What is meant by polymorphism ? What is inheritance ? What is method Overloading ? What is this in OOPS ? What is method Overriding ? What is it in OOPS ? Does java support multi dimensional arrays ? Is multiple inheritance used in Java ? How do you send a message to the ...
This enables polymorphism, as the method called depends on the type of the object rather than its reference. Overriding allows customization and specialisation in subclasses while maintaining a common interface defined by the superclass. 13. What is the role of the 'final' keyword in Java? The ...
Method overriding and method overloading are two ways to achieve Polymorphism in object-oriented programming, but they work in different ways. Method Overriding Method Overloading When a subclass provides a different implementation of a method that is already defined in its parent class. In other ...
11. Explain about join() method in thread class http://stackoverflow.com/questions/18479771/java-multithreading-concept-and-join-method 2. Second Round (Face to Face) 1. Can you just start telling about yourself and your project? Refer to first question in above list. ...
Ques 13: What is the SDLC model that you have used in your previous project? Ans. The answer to this question varies with the candidates. If you have done a project based on Waterfall model the interviewer wil question you on waterfall model, or if you have done agile they will question...