to return duplicate characters from a string or return false if no duplicates are found.
Software Development Java Interview Questions
30,892 software development java interview questions shared by candidates
Name a pure functional programming language.
Tell me about your Project
The task was to implement url shortener. The main goal was to create some simple variants of generating short length suffix
1. sort array of (0,1), 0 to the left, 1 to the right. 2. zip and unzip a picture in an efficient way. 3. explain the way hashmap works. 4. design a traveling agent selling airplane tickets
What is the different between ArrayList and LinkedList
Security used in the project
Which java 8 features you know
Q1) Write simple java code for ,whether given string have character "i" ,using stream API only. Ex: If input is "hello" word, output will be false, as the word doesn't have letter "i". Q2) what is volatile keyword is used for? Q3)explain oops concepts? Q4)why java doesn't support multiple inheritance, what happens if we try to implement? can you explain with some example ? Q5)what is multi threading? Do you know about executor ? Q6)what is REST? Q7)When we are opening a google page, which type of request it is?GET or POST or other requests? Q8)how Requests are mapping with servlets in SPRING MVC? can you explain? Q9)Why spring boot s required,when we have many spring components already?Advanatages of Springboot? Q10)what is Springboot profiling concept? Q11)What are the things you write or configure,in your spring boot application,related to tomcat? Q12)what collections you used in your project?explain How hashmap buckets internally works? Q13)DIfference between HTTP and HTTPS? Q14)What type of errorcodes you get genearlly, when you access a REST webservice using browser? etc
All oops concepts,java 8 ,hibernate ,spring basics ,springboot, rest apis , Microservices and junit
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