Java Interview Questions | Glassdoor

Java Interview Questions

208

interview questions shared by candidates

Java Interview Questions

Sort: Relevance Popular Date

Given an un-ordered array of integers n, starting at 1 and ending at n, there is one number missing and one number duplicated. Find them.

1 Answer

Most of them were basic questions. One was " Write down Java classes and methods that you required for a Transaction" "How do you convey a Technical banking transaction to a street man"

3 Answers

They only asked basic algorithm questions. But, the group used Java, they asked a lot of concepts.

1 Answer

Please go up to the white board and write an example of a java class with some methods and variables.

1 Answer

How do you make an instance of an abstract class?

1 Answer

Was asked to program quick-sort in Java.

1 Answer

Given some Java code representing a travel alert system, write one of the functions that returns the most relevant travel alert.

1 Answer

Implement a sparse matrix Java class with a constructor, set and get method. The matrix has millions of rows and columns and is at a maximum 15% populated.

1 Answer

Some questions in JAVA ?

1 Answer

Describe the singleton pattern in Java.

1 Answer
4150 of 208 Interview Questions