Code Monk

Tech forum for Java, algorithms & data-structures, Hibernate, RESTful API, Spring framework, Microservices architecture, Interview questions, Python, SDET, Machine learning, DevOps.

Explain Java Exception Class Hierarchy

Carvia Tech | December 12, 2019 | 2 min read | 5 views

Throwable sits at the top of Java Exception Class hierarchy. Exception and Error are the two direct subclasses that extends Throwable.

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Java Concurrency Interview Questions and Answers

Carvia Tech | December 12, 2019 | 2 min read | 364 views | Multithreading and Concurrency

top java concurrency and multi-threading interview questions - Java Memory Model, volatile keyword, HashMap, ConcurrentHashMap, fail-safe and fail-fast iterator, immutability, ThreadLocal, Callable and Runnable

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Retrofit Basic Authentication in Android App with OkHttp

Carvia Tech | December 12, 2019 | 2 min read | 662 views

We will add basic authentication in android app using retrofit and okhttp

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OAuth2 protected resources in RestAssured Testcases

Carvia Tech | December 12, 2019 | 4 min read | 3,921 views | Rest Assured

In this tutorial we will cover accessing OAuth2 protected resources in RestAssured Testcases using Password and client credentials of OAuth2 grant type

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Top 15 coding problems for SDET Java Interviews

Carvia Tech | December 11, 2019 | 1 min read | 35 views

In this article we will discuss top 15 java coding problems that are relevant for SDET interviews - fibonacci series, anagrams, pangram, factorial, prime number, reverse a number

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Kotlin Coroutines with Retrofit and LiveData

Carvia Tech | December 10, 2019 | 4 min read | 10 views

In this tutorial we will use android architecture components for making Kotlin coroutine enabled REST API calls using Retrofit in Android Application

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Feign exception handling in Spring Cloud

Carvia Tech | December 10, 2019 | 2 min read | 2,019 views

Using RestControllerAdvice to Catch and handle Feign exception in Spring Cloud environment during inter-service communication

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Top 50 Multi-threading Java Interview Questions for Investment Bank

Carvia Tech | December 10, 2019 | 4 min read | 2,129 views

Top 50 Java multithreading interview questions for Investment Bank, healthcare, BFSI domain on Core Java, concurrency, hibernate, spring, algorithms

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Citibank Java developer interview questions

Carvia Tech | December 10, 2019 | 2 min read | 3,460 views | algorithm-datastructures investment banking

Citibank Java programming interview questions in investment banking domain for experienced developer - Core Java, Multi-threading, Concurrency, Garbage Collection, Design Patterns, Database concepts

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MD5 and SHA-256 in Java Kotlin and Android

Carvia Tech | December 10, 2019 | 3 min read | 2,041 views

In this article we will discuss different options to compute MD5 (or theoretically any other Hash Function such as SHA-1, SHA-256) using Java, Android and Kotlin.

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