what is polymorphism? define abstraction,inheritance,encapsulation Different types of polymorphism
Java Consultant Interview Questions
30,867 java consultant interview questions shared by candidates
Medium to Hard level DSA questions Knowledge about process, threads,DBMS are important.
about basic java + OOPS + collections SQL - write query, and about DDL,DML,DQL,TCL JOINS, Aggregate Functions
where do i see myself in 5 years
no. of islands in the graph
Candy distribution problem. Java 8 prgramming
Why do you want to work here?
1. Microservice work architechre 2. SOLID pricipal 3. Collection tricky question 4. Right way to third party tool integartion
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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
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