For professionals with good knowledge of Java programming, looking for job opportunities and interviews, we have something interesting for you. In this blog we are going to look at some of the core java interview questions. Some of these questions can be categorized as Java technical interview questions. Check Out The Full Blog Given In The Url Below https://www.sprintzeal.com/blog/top-25-java-interview-questions-and-answers-in-2020

1. JAVA INTERVIEW
QUESTIONS AND
ANSWERS

2. 1.Explain the difference between
dynamic and static loading?
Static class loading involves the creation of objects and
instances using new keywords and dynamic class loading is
done when the name of the class is not known at compile
time.
2.What is multi-threading?
It is a programming concept that allows running multiple
tasks within one single program in a concurrent manner.

3. 3.Does Java use
pointers?
No, Java doesn’t use pointers. It has tough
security. Instead of pointers, references are
used in Java as they are safer and more secure
when compared to a pointer.
4.What is a package?
A Package is a collection of related classes and
interfaces.

4. 7.Are arrays of
primitive data types?
5.Define JSON
6.WHAT IS AN
ANONYMOUS
CLASS?
JSON is an acronym for JavaScript
Object Notation. It uses JavaScript
syntax. The format in JSON is text only.
The class that is defined in a single line
of code using a new keyword and
without a name is an anonymous class.
No. In Java, Arrays are objects.

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