Then advice from experienced programmers

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This topic needs not only to be known, but also understood. Without understanding the differences between interfaces and classes, you can not even try to learn the Java language. If you are a beginner and have just started learning, will help you.

Next there will be questions about the syntax of the language.

7 Main Java Interview Questions

Question 4: Provocation
An experienced employer, when hiring a junior, will definitely ask provocative questions. For example, he may ask to tell about two classes that do not inherit from Object.

If you have studied the language well, you know that such classes do not exist. Therefore, you will need to answer that all classes directly or through parents inherit from an object.

Question 5: Variables
Questions about variables will be present in the interview. They will ask about variables inside a method. It is necessary to answer that they can exist as long as this method is used. This variable is also france customer email list called local: "Local Variable".

Make sure that the local variable is gone when the method ends.

The employer will definitely ask the junior developer about intra-class variables. Such features exist as long as there is an object. An example of an intra-class variable.

7 Main Java Interview Questions

Question 6: Where do newbies usually get confused?
This is a question about the variable "Final". The employer will ask: can it be considered a constant? Indeed, such variables cannot be assigned a new value. But here do not forget to add that whether it will be constant or not depends on what type of data it refers to.