Sunday, December 30, 2018

Top 200+ Core Java Interview Questions And Answers For 2019

Most Popular Java Interview Questions

Given below is a comprehensive list of most important and commonly asked basic and advanced Java programming interview questions with detailed answers.

Q 1) What is Java?
Ans: Java is a pure object-oriented programming language. Java is a high-level object-oriented programming language. Java is really a simple, reliable, portable, and powerful language.

Q #2) What are the features in JAVA?
AnsThere are the following features in Java Programming Language.

1. Simple:- 
  • Java was designed to be easy for the professional programmer to learn and use effectively.
  • If you are an experienced C++ programmer, moving to java will require very little effort.
  • Because java inherits the C/C++ syntax and many of the object-oriented features of C++, most programmers have little trouble learning Java.
2. Secured:- 
  • Security is the benefit of java. Java system not only verifies all memory access but also ensure that no viruses are communicated with an applet.
3. Portable:-
  • Java programs can be easily moved from one computer system to another. Java ensures portability in two ways:
  1. Java compiler generates bytecode instruction that can be implemented on any machine.
  2. The size of the primitive data types is machine-independent.





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Top 200+ Core Java Interview Questions And Answers For 2019

Most Popular Java Interview Questions Given below is a comprehensive list of most important and commonly asked basic and advanced Java p...