Java basic interview questions and answers are very important before going to Java interview. So read the following questions and answers and refresh our mind.
How many parts in Java? Sun Microsystems Inc. has divided Java into 3 parts. They are 1. Java SE 2. Java EE 3. Java ME. Let us discuss then in brief here. Java SE It is the Java Standard Edition that contains basic core Java classes. This edition is used to develop standard applets and […]
Why Pointers are eliminated in java? Pointers lead to confusion for a programmer. Pointers may crash a program easily, for example, when we add two pointers, the program crashes immediately. The same thing could also happen when we forgot to free the memory allotted to a variable and re-allot it to some other variable. Pointers […]
Why should I choose Java software development? What are the Pros and Cons? Java Pros It’s free cost, download it and start creating application. Open source with quite large community base. Lots of available third party libraries, frameworks & IDE for fast development cycles(Spring, Hibernate, Struts, Eclipse, IntelliJ). Platform independent, write once run on most […]
Classes and Objects interview questions We know a class is a model for creating objects. this means the properties and actions of the objects are written in the class. Properties are represented by variables and actions of the objects are represented by methods. So a class contains variables and methods. The same variables and methods […]
One of the IT Companies Java Interview Questions and Answers-1 1) How many objects will be created for the following scenario? Integer a1=10; Integer a1=10; Integer a1=20; Integer a1=15; Ans: 3 objects will be created. Explanation: Java storing value in the cache and while initialization will check in the cache, if it is exist […]
Why should I choose Java software development? What are the Pros and Cons? Java Pros It’s free cost, download it and start creating application. Open source with quite large community base. Lots of available third party libraries, frameworks & IDE for fast development cycles(Spring, Hibernate, Struts, Eclipse, IntelliJ). Platform independent, write once run on most […]
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