JAVA Interview Questions and Answers

+1 vote

Explain about Map and their types.

asked May 24, 2019 in JAVA by rajeshsharma

+1 vote

Explain about Set and their types in a collection?

asked May 24, 2019 in JAVA by rajeshsharma

+1 vote

Explain about the different lists available in the collection.

asked May 24, 2019 in JAVA by rajeshsharma

+1 vote

What is meant by Ordered and Sorted in collections?

asked May 24, 2019 in JAVA by rajeshsharma

+2 votes

What are all the Classes and Interfaces that are available in the collections?

asked May 24, 2019 in JAVA by rajeshsharma

0 votes

hat is mean by Collections in Java?

asked May 24, 2019 in JAVA by rajeshsharma

+1 vote

Difference between Abstract class and Interface.

asked May 24, 2019 in JAVA by rajeshsharma

0 votes

Difference between HashSet and TreeSet.

asked May 24, 2019 in JAVA by rajeshsharma

+1 vote

Difference between HashMap and HashTable.

asked May 24, 2019 in JAVA by rajeshsharma

+1 vote

Difference between Default and Protected access specifiers.

asked May 24, 2019 in JAVA by rajeshsharma

+1 vote

Explain about Public and Private access specifiers.

asked May 24, 2019 in JAVA by rajeshsharma

+1 vote

Difference between String, String Builder, and String Buffer.

asked May 24, 2019 in JAVA by rajeshsharma

+1 vote

Difference between Array and Array List.

asked May 24, 2019 in JAVA by rajeshsharma

+1 vote

What is meant by Abstract class?

asked May 24, 2019 in JAVA by rajeshsharma

0 votes

What is meant by Interface?

asked May 24, 2019 in JAVA by rajeshsharma

+1 vote

What is meant by Overloading?

asked May 24, 2019 in JAVA by rajeshsharma

+1 vote

What is meant by Method Overriding?

asked May 24, 2019 in JAVA by rajeshsharma

+1 vote

What is Polymorphism?

asked May 24, 2019 in JAVA by rajeshsharma

+1 vote

What is Encapsulation?

asked May 24, 2019 in JAVA by rajeshsharma

+1 vote

What is Inheritance?

asked May 24, 2019 in JAVA by rajeshsharma

+1 vote

What are the Oops concepts?

asked May 24, 2019 in JAVA by rajeshsharma

+1 vote

What is an Object?

asked May 24, 2019 in JAVA by rajeshsharma

+1 vote

What is a Class?

asked May 24, 2019 in JAVA by rajeshsharma

+1 vote

What is meant by Local variable and Instance variable?

asked May 24, 2019 in JAVA by rajeshsharma

+1 vote

What do you mean by Constructor?

asked May 24, 2019 in JAVA by rajeshsharma

+1 vote

What are the Java IDE’s?

asked May 24, 2019 in JAVA by rajeshsharma

+1 vote

How does Java enable high performance?

asked May 24, 2019 in JAVA by rajeshsharma

+1 vote

What are the features in JAVA?

asked May 24, 2019 in JAVA by rajeshsharma

+1 vote

asked May 24, 2019 in JAVA by rajeshsharma

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