Other
What are access modifiers in Java?
0651
What are access modifiers? Access modifiers are a tool with which you can customize access to classes, methods, and variables. There are the following
ASJAVA.COM
Other
What is Instance Variable?
0680
What is Instance Variable? Instance Variable is a variable that is defined within a class, and it exists as long as the object exists. An example is the
ASJAVA.COM
Other
What is Local Variable?
0699
What is Local Variable? Another of the most popular Java developer interview questions. A local variable is a variable that is defined within a method
ASJAVA.COM
Other
What is polymorphism in Java?
0325
What is polymorphism in Java? Polymorphism is the ability of a program to identically use objects with the same interface without knowing the specific
ASJAVA.COM
Other
What is encapsulation in Java?
0267
What is encapsulation in Java? This question comes up a lot in Java developer interviews. Encapsulation is hiding the implementation with access modifiers
ASJAVA.COM
Other
What is inheritance in Java?
0252
What is inheritance in Java? Answer Inheritance means that one class can inherit (“extends”) another class. Thus, you can reuse the code from the class
ASJAVA.COM
Other
What are the features of Java?
0230
What are the features of Java? Answer: OOP concepts: object-oriented; inheritance; encapsulation; polymorphism; abstract. Cross-platform: A Java program
ASJAVA.COM
Other
What is NullReferenceException and how can I fix the code?
0319
When I execute some code, a NullReferenceException is thrown with the following message: Object reference not set to an instance of an object.
ASJAVA.COM