7 Main Java Interview Questions
Posted: Wed Jan 22, 2025 10:47 am
Junior Java developers who come to get a job sometimes fail the interview because they are used to theory. And during the interview, the employer pours out questions on the practical part of "Hello, World!". To prepare for such questions on Java, today we will cover the main 10 topics from which the employer usually takes questions during the interview.
7 Main Java Interview Questions
7 Main Java Interview Questions7 Main Java Interview Questions
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Question 1: What are the features of Java language
The first and expected question, of course, will be about the features of Java. Here it is necessary to mention object-oriented programming. Tell about the programming methodology based on the representation of a france customer email list program as a set of objects. Each of the latter is an instance of a certain class, occupies a special place in the hierarchy.
After these words are said, a question about class inheritance may follow. Explain that one class inherits another. The inheritance of the variable "extend" is expressed.
The existing class is called the "parent" and the one being created is called the "child". This is programmer slang. The existing and the one being created are known as the "superclass" and "subclass". You may even be asked to write the code.
When talking about OOP and giving examples, do not forget to mention the concepts of object-oriented programming: encapsulation, polymorphism, abstraction. Inheritance has already been discussed.
7 Main Java Interview Questions
7 Main Java Interview Questions7 Main Java Interview Questions
Receive a grant covering 50% of your tuition fees
And learn a new profession online from anywhere in the world
Get a grant
Question 1: What are the features of Java language
The first and expected question, of course, will be about the features of Java. Here it is necessary to mention object-oriented programming. Tell about the programming methodology based on the representation of a france customer email list program as a set of objects. Each of the latter is an instance of a certain class, occupies a special place in the hierarchy.
After these words are said, a question about class inheritance may follow. Explain that one class inherits another. The inheritance of the variable "extend" is expressed.
The existing class is called the "parent" and the one being created is called the "child". This is programmer slang. The existing and the one being created are known as the "superclass" and "subclass". You may even be asked to write the code.
When talking about OOP and giving examples, do not forget to mention the concepts of object-oriented programming: encapsulation, polymorphism, abstraction. Inheritance has already been discussed.