JAVA Interview Questions and Answers

0 votes

Can you achieve Runtime Polymorphism by data members?

asked Apr 30, 2021 in JAVA by rajeshsharma

0 votes

Explain What is Runtime Polymorphism?

asked Apr 30, 2021 in JAVA by rajeshsharma

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What is the difference between compile-time polymorphism and runtime polymorphism?

asked Apr 30, 2021 in JAVA by rajeshsharma

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What is the parallel Stream? How can you get a parallel stream from a List?

asked Apr 15, 2021 in JAVA by SakshiSharma

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Can you convert an array to Stream and how?

asked Apr 15, 2021 in JAVA by SakshiSharma

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What are Supplier and Consumer Functional interface?

asked Apr 15, 2021 in JAVA by SakshiSharma

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What is a Predicate interface?

asked Apr 15, 2021 in JAVA by SakshiSharma

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What is the difference between the findFirst() and findAny() method?

asked Apr 15, 2021 in JAVA by SakshiSharma

+1 vote

What is the difference between a normal and functional interface in Java?

asked Apr 15, 2021 in JAVA by SakshiSharma

0 votes

What is a functional interface in Java 8?

asked Apr 15, 2021 in JAVA by SakshiSharma

0 votes

What do you mean by saying Stream is lazy?

asked Apr 15, 2021 in JAVA by SakshiSharma

+1 vote

What does the peek() method do? When should you use it?

asked Apr 15, 2021 in JAVA by SakshiSharma

+1 vote

What is the difference between intermediate and terminal operations on Stream?

asked Apr 15, 2021 in JAVA by SakshiSharma

0 votes

What is difference between flatMap() and map() functions?

asked Apr 15, 2021 in JAVA by SakshiSharma

0 votes

What does the flatmap() function do? why you need it?

asked Apr 15, 2021 in JAVA by SakshiSharma

+1 vote

What does the filter() method do? when you use it?

asked Apr 15, 2021 in JAVA by SakshiSharma

+1 vote

What does the map() function do? why you use it?

asked Apr 15, 2021 in JAVA by SakshiSharma

+1 vote

What is the difference between Collection and Stream?

asked Apr 15, 2021 in JAVA by SakshiSharma

0 votes

How to Set Path and system Variable for Java?

asked Apr 10, 2021 in JAVA by Robindeniel

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What are the Features of Java? List down them

asked Apr 10, 2021 in JAVA by Robindeniel

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What is the default encoding for an OutputStreamWriter?

asked Apr 10, 2021 in JAVA by Robindeniel

0 votes

In character stream I/O, a single read/write operation performs _____.

asked Apr 10, 2021 in JAVA by Robindeniel

0 votes

What is the result of the following program?

asked Apr 10, 2021 in JAVA by Robindeniel

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Which of the following modifiers can be used for a variable so that it can be accessed by any thread or a part of a program?

asked Apr 10, 2021 in JAVA by Robindeniel

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If a thread goes to sleep

asked Apr 10, 2021 in JAVA by Robindeniel

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If three threads trying to share a single object at the same time, which condition will arise in this scenario?

asked Apr 10, 2021 in JAVA by Robindeniel

0 votes

How many threads can be executed at a time?

asked Apr 10, 2021 in JAVA by Robindeniel

0 votes

Which of the following code segment would execute the stored procedure "getPassword()" located in a database server?

asked Apr 10, 2021 in JAVA by Robindeniel

0 votes

Given, the below condition ,identify the output

asked Apr 10, 2021 in JAVA by Robindeniel

0 votes

What is meant by the classes and objects that dependents on each other?

asked Apr 10, 2021 in JAVA by Robindeniel

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