Wednesday, 21 July 2021

Min Heap and Max Heap in Java

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Min Heap and Max Heap in Java . In this post we will see what is Min Heap, Max Heap, the operation it supports and the time and space comple...
Saturday, 17 July 2021

Find the angle between the hour and minute hands in Java

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Find the angle between the hour and minute hands on an analog clock. Given the time, calculate the smaller angle between the hour and minute...
Friday, 2 July 2021

Visitor Design Pattern real world example in Java

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Visitor Design Pattern real world example in Java In this post we will see when to use visitor design pattern and the real life example of v...
Monday, 9 November 2020

Swagger OpenAPI REST Java Example using Guice and Jersey

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Swagger OpenAPI REST API Java Example using Guice and Jersey In this post we will see how to integrate Swagger in Guice and Jersey to dynami...
Friday, 2 October 2020

Create Docker Image of Spring Boot Microservices using Fabric8 maven plugin.

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Create Docker Image of Spring Boot Microservices using Fabric8 maven plugin . In this post we will see how to create a Docker image of Sprin...
Monday, 28 September 2020

Write your own Integer to String (itoa) implementation in Java

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Write your own Integer to String (itoa) converter . Implement your own Integer to ASCII (itoa) method which converts an Integer to String. I...

Write your own String to Integer (atoi) implementation in Java

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Write your own String to Integer (atoi) converter . Implement your own ASCII to Integer (atoi) method which converts a string to an integer....
Sunday, 27 September 2020

Merge all overlapping intervals in Java

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Merge overlapping intervals in Java . Given a N pairs of intervals. merge all overlapping intervals.. You are given a pair of intervals in a...