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Posted inINTERVIEW Interview Questions Java

HashMap vs. TreeMap in Java: A Comprehensive Comparison

In Java, HashMap and TreeMap are two commonly used implementations of the Map interface, each serving distinct purposes and use cases. Understanding their differences is crucial for making the right…
Posted by Jewel Chowdhury September 1, 2024
Posted inInterview Questions INTERVIEW Java

Java Serialization: Can Static Values Be Serialized?

In Java, static values cannot be serialized directly. Serialization is the process of converting an object into a byte stream to store it in a file or send it over…
Posted by Jewel Chowdhury June 7, 2023
Posted inInterview Questions

SOAP vs REST API: Exploring the Fundamentals and Key Distinctions

SOAP API: A SOAP API (Application Programming Interface) is a web-based API that uses the SOAP (Simple Object Access Protocol) protocol to exchange structured information between software applications. SOAP API…
Posted by Jewel Chowdhury May 11, 2023
Posted inSpring Boot Interview Questions

IoC Explained with Examples in Spring Boot: Understanding Inversion of Control

Inversion of Control (IoC) is a design pattern that is widely used in Spring Boot applications. The basic idea behind IoC is to invert the control of the flow of…
Posted by Jewel Chowdhury May 8, 2023
Posted inSpring Boot

Mastering Spring Beans in Spring Boot: Comprehensive Code Examples and Configuration Tips

In Spring Boot, a Bean is an object that is managed by the Spring IoC container. Here's an example of how to define and use a bean in Spring Boot:…
Posted by Jewel Chowdhury May 8, 2023
Java Interview Question for beginners
Posted inInterview Questions

Define class loader and its type in java

Java class loader is mainly responsible for loading java classes during runtime dynamically to the Java Virtual Machine(JVM). Classloader is a subset of JVM, responsible for loading the class files.…
Posted by Jewel Chowdhury June 18, 2021
Java Interview Question for beginners
Posted inInterview Questions

Differences between Exception and Error in java

java.lang.Error and java.lang.Exception both are subclass of java.lang.Throwable class. You can not recover error but you can recover exception by using try-catch block. Errors are mostly caused by the environment…
Posted by Jewel Chowdhury June 18, 2021
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