What are the four principles of OOP
Java Consultant Interview Questions
30,867 java consultant interview questions shared by candidates
Tell me about time where you had to work under pressure, it can be from your work experience or at university.
Medium difficulty level. You should have good knowledge of Java, Spring, JPA, Web service, Hibernate etc.
I liked two questions that were asked in the 2nd technical interview. 1.) Puzzel - A person can jump maximum one stair while climbing on the stair and he can do this any where in the climbing process then how many ways that person can climb on the roof if there are 10 stairs present for reaching on the roof ? 2.) Coding Question - Write a Java function that take two arguments both are string, and return true if first string is the cyclic rotated string of second otherwise return false ? Ex- First String = llohe and Second String = hello then return true First String = hello and Second String = hello then return false First String = welcome and Second String = hello then return false First String = ollhe and Second String = hello then return false
What is OPP, what is difference between abstract class vs interface?
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
about collections in java
What is a class loader ? What does it do ?
Write a program to print the number of times each character is repeated in a string.
what is the differnece between exception and error?
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