Gaurav Kumar - OpenGenus IQ: Computing Expertise & Legacy

70 Spring Interview Questions and Answers

Spring is a Java based framework. It was developed by Rod Johnson. The first version of spring framework was released by Rod Johnson. In this article, we have covered 70 Spring Interview Questions and Answers.

String Algorithms

Minimum Window Substring

Given two strings A and B. We need to find the smallest substring of A that has all the characters in B. If there is no such string, then the answer will be an empty string.

String Algorithms

N-th Permutation of a string

Given a string of length of `m` containing only lowercase alphabets. Find out the lexicographic `nth` permutation of the given string.

Algorithms

Longest word with given prefix and suffix

You are given a list of words, a prefix, and a suffix. You have to find the longest word in the given word list that has a given prefix and suffix.

trie

Longest word in dictionary with all prefixes

Given a list of words ‘WORDLIST’, find the longest perfect word. A perfect word is a word in which all the possible prefixes are present in ‘WORDLIST’.

Java

Hibernate Annotations

We can configure hibernate through Java configuration or XML configuration and the mapping details can be provided through XML or Java Annotations.

Java

Hibernate Inheritance Mapping

In this article, we are going to learn various strategies of inheritance mapping that hibernate implements to deal with Inheritance Object-Relational Impedance Mismatch.

Java

CRUD operation using hibernate in MySQL database

In this article, we are going to learn how to develop an application that performs the CRUD operations in MySQL database using hibernate. Here we will develop a command line application but the same procedure can be used to develop any other type of application like GUI, webapp etc.