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Entry-level Java Programming Interview Questions and Answers (100% Pass)
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Entry-level Java Programming Interview Questions and Answers (100% Pass)
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©PREP4EXAMS@2024 [REAL EXAM DUMPS] Thursday, July 25, 2024 12:43 PMEntry-level Java Programming Interview
Questions and Answers (100% Pass)
What are the main features of Java? - ✔️✔️1. Object-oriented
2. Simple
3. Platform Independent
4. Secured
5. Robust
6. Portable
7. Multithreaded
8. Distributed
What are the fundamental principles of OOP? - ✔️✔️1. Inheritance
2. Abstraction
3. Polymorphism
4. Encapsulation
What is Inheritance in Java? - ✔️✔️Inheritance is one of the key principles of OOP. Through
Inheritance, one class can inherit the properties of another class. The class from which properties
are inherited is called a "super" class and the class to which properties are inherited is called a
sub class.
What is Constructor Overloading and its use? - ✔️✔️A class can have any number of constructors.
These constructors will have different lists of arguments. It is called constructor overloading.
Constructor overloading provides different ways to instantiate a class.
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