Java Interviews

Interview - Product Companies, eCommerce Companies, Investment Banking, Healthcare Industry, Service Companies and Startups.

Goldman Sachs Java Interview Questions

Upasana | November 22, 2020 | 4 min read | 3,022 views | investment banking

Goldman Sachs Java Interview Questions on core java problems, coding challenges, data structures and algorithms, performance issues, design problems, and testing aspects.

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Relative efficiency of Algorithms using Big O Notation

Upasana | November 21, 2020 | 2 min read | 143 views

Big O Notation is a mechanism used to measure the relative inefficiencies of Algorithms in terms of space and time. In this article, we will discuss commonly used Big O Notations and their practical significance.

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Fibonacci using Dynamic Programming in Java

Upasana | November 21, 2020 | 3 min read | 404 views

Dynamic Programming is a powerful optimization technique, where a recursive problem can be solved in O (n^2^) or O (n^3^) where a naive approach would take exponential time O (2^n^)

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BlackRock Java Interview Questions

Upasana | November 21, 2020 | 1 min read | 1,286 views | algorithm-datastructures

Top Investment Banking Technical Java interview questions asked in Blackrock: algorithms, data structures, design patterns, OOP Design, concurrency, etc.

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Different states of thread in Java

Upasana | November 21, 2020 | 2 min read | 33 views

A thread in JVM can have 6 different states as defined in Thread.State enum. At any given time, thread must be in any of these states.

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Citibank Java developer interview questions

Upasana | November 20, 2020 | 2 min read | 10,921 views | algorithm-datastructures investment banking

Java programming interview questions for investment banking domain on Core Java, Multi-threading, Garbage Collection, Design Patterns, Database concepts

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Finastra Investment Banking Interview Questions

Upasana | November 18, 2020 | | 9 views | investment banking

core java, multi-threading, executor framework, collections, streams, lambda expressions, coding challenges, inter service communication and unix based questions for interview preparation

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Top 10 occurring words in a very large file java algorithm

Upasana | October 18, 2020 | 4 min read | 422 views | algorithm-datastructures

In this algorithm problem, we will keep track of top 10 occurring words from a very large file using min heap implementation in java

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Merge two sorted array into a single sorted array

Upasana | October 16, 2020 | | 42 views

There are two sorted array of integers, you have to merge them both into single sorted array.

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Markit Java Interview Questions

Upasana | October 01, 2020 | 2 min read | 215 views | investment banking

Most investment banking companies need skills like inheritance, multi-threading, concurrency, collections, java design patterns, spring framework, basic knowledge of database - indexes, joins and working knowledge of queue etc.

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