Java
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How to choose Collection in Java? List, Set, Map, and Queue Example
The Java collection framework offers implementation of different data structure like an array, list, set, map, queue, tree, etc and the choice...
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Top 21 Chef Interview Questions and Answers for DevOps Engineers
Hello guys, if you are preparing for DevOps or SysOps interviews where Chef skills are required then you should prepare about common Chef Interview...
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Difference between HashMap vs IdentityHashMap in Java? Example
The IdentityHashMap is one of the lesser known Map implementations from JDK. Unlike general purposes Map implementations like HashMap and...
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How and When to use TreeMap in Java? Example Tutorial
Hello guys, I hope you all are doing well and having lots of fun reading and learning Java Collections together. Today we are here a meet again on...
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How to delete multiple elements from a LinkedList in Java? SubList() Example
Hello guys, if you are l ooking for an easy way to remove a sub set of elements from a LinkedList in Java then you have come to the right...
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How to use WeakHashMap in Java? Example Tutorial
Hello friends, we are here today again on our journey to Java. I hope everyone is fine and ready to board our train of knowledge. Today we...
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Top 20 Shell Scripting Interview Questions and Answers
Have you struggle with Shell Scripting interview questions before? Have you been having problems in finding out the kind of questions asked in a...
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Difference between HashMap vs TreeMap vs LinkedHashMap in Java
Hello guys, if you are wondering when to use HashMap, TreeMap and LinkedHashMap in Java and want to understand difference between them then you...
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How to send Email in Java + Spring Framework? JavaMailSenderImpl Example Tutorial
Hello guys, if you are looking for a Java + Spring tutorial to send emails then you have come to the right place. Earlier, I have shared the free...
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How to set the logging level in Spring Boot application.properties - Example Tutorial
Hello guys, if you are wondering how to set the logging level on spring boot then you have come to the right place. In the past, I have shared...
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Top 20 UI and UX Design Interview Questions and Answers
Hello folks, if you are a fresher who want to start your career in UI and UX design or a UI or UX Designer and preparing for your next job and...
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Spring Boot + Thymyleaf Project in Java? Example Tutorial
Hello guys, if you are looking for a Spring Boot and Thymyleaf example, tutorial, or a project then you have come to the right place. Thymyleaf is...
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How to use @ResponseBody and @RequestBody in Spring MVC and REST? Example Tutorial
Hello guys, if you are wondering what is @RequestBody and @ResponseBody annotation in Spring MVC and Spring Boot then you have come to the...
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Top 20 YAML Interview Questions Answer for Developers and DevOps
Hello guys, if you don't know YAML stands for Yet Another Markup Language and its one of the popular language for defining system rules. YAML...
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How to test a Spring Boot application in Java? @SpringBootTest Example
Hello guys, if you are wondering how to test your Java + Spring Boot application then you are at the right place. Earlier, I have shared best...
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How to Find Lowest Common Ancestor of a Binary Tree in Java? Example Tutorial
Hello guys, if you are wondering how to find the lowest common ancestor of a binary tree in Java then you are at the right place. Earlier, I have...
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How to Enable Disable Spring Security in Spring Boot? Example Tutorial
Hello guys, if you are wondering how to enable and disable Spring Security in a Spring Boot based Java application then you have come to the right...
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Difference between Binary Tree, Binary Search Tree (BST), and Balanced Tree (AVL and Red Black Tree)?
Hello guys, if you are preparing for technical interview for Software Development job then you must prepare well for Data Structure and...
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How to set base URL for REST in Spring Boot? Example Tutorial
Hello guys, if you are wondering how to set base URL for REST API in Spring Boot then you have come to the right place. Earlier, I have shared...
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How to Find/Print Leaf nodes in a Binary Tree in Java without Recursion - Example
In the last article , you have learned how to print all leaf nodes of a binary tree in Java by using Recursion, a useful technique to solve...
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Using jOOQ’s Implicit Join From Within the JOIN .. ON Clause
Starting with jOOQ 3.11, type safe implicit JOIN have been made available, and they’ve been enhanced to be supported also in DML statements...
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Database portability – Pitfalls when supporting multiple RDBMS with Hibernate
The post Database portability – Pitfalls when supporting multiple RDBMS with Hibernate appeared first on Thorben Janssen . The JPA...
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The differences between Spring Data JPA’s save, saveAndFlush and saveAll methods
The post The differences between Spring Data JPA’s save, saveAndFlush and saveAll methods appeared first on Thorben Janssen . Spring...
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Spring Boot Microservices - Spring Cloud Netflix Eureka based Service Registry
pre { background-color: white !important; } code { background-color: white !important; } In this tutorial, we will...
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JUnit 5.9 Supports GraalVM Native Image
JUnit 5.9 resolves various bugs and introduces a number of new features such as the ability to keep temporary files after executing a test. New...