Java Coding Interview Questions with Answers

How to check the prime numbers in java?
Write the java code to check prime numbers.
*********************************************************************
***************************************************************************


Investor & Coder.

Comments

Post a Comment

Thank You for reading our post.
Your comment or feedback encourages us to improve the quality of content.
Don't forget to follow/subscribe to get the latest post.

Popular posts from this blog

Mobileum Bangalore Core Java Developer Interview

Mode - Telephonic Date - April 2020 Experience - 3 years Interviewer - Mohak Gogri Tell me briefly about yourself. Explain all the projects that you have worked on. What are the differences between String , StringBuffer and StringBuilder? Why String is Immutable? What are the other immutable classes are there in java? How to make a user defined class Immutable? What are the access modifiers in java? What are the differences between ArrayList and LinkedList? In LinkedList there is a loop that 4th element is pointing to 1st or 2nd element, then how can we detect whether the loops are there or not in LinkedList stored data? In short the question is " How to detect a loop in LinkedList "? Explain the logic for prime number.for(int i=2;i<=n/2;i++) .Can you make it more efficient by making some changes in testing condition part of this existing code? What are the differences between Interface and Abstract class? If abstract class is there then what's the ne
Read more

Xylem bangalore : Senior Java Developer.

Dated - May 2020 1st Round - HackerRank Test. Day - I   Question:  Java program for performing the arithmetic addition. Question:  Java program to implement deep cloning. Question: Arrange the Words A Sentence is defined as a string of space separated words that starts with a capital letter followed by lowercase letters and spaces, and ends with a period. That is, it satisfies the regular expression ^ [A-Z][a-z] *\.$. Rearrange the words in a sentence while respecting the following conditions. Each word is ordered by length, ascending. Words of equal length must appear in the same order as in the original sentence. The rearranged sentence must be formatted to satisfy the regular expression  ^ [A-Z][a-z] *\.$ Example 1. sentence= Cats and hats. Order the sentence  by word's length and keep the original order for the words with same length. Length 3: {and} Length 4: {Cats, hats} Example 2. Input: "The lines are printed in reverse order." Output: "In the are lines order
Read more

Learning Java For Interview Purpose. Day - 1

Challenges Of Software Industries. In software industry these are the major challenges that enterprises face constantly. Response/Execution time of software. Data Source. Human Resource. The Enterprise can reduce the response/execution time with the invent of new technology or enhancement in the existing technology, they can set up new data centers and manage huge amount of data. These are one time expense or at least not so frequent expenses. But the biggest challenge for them are the human resources i.e. Skilled Employees. A business pays salary to employees on regular basis so it's is regular expenses of company that companies have to spend. Employees or skilled humans rare species on this planet possessing sense and intelligence so they are supposed to do logical & intelligent tasks only but not the boringly repetitive task that does not demands human intelligence. But in industry many tasks are repetitive so these are not supposed to be done by humans sinc
Read more