Become A Java Developer
REST API interview questions with answers: Here are some common REST API interview questions along with their answers: REST (Representational State Transfer) API is a type of web service that uses HTTP protocols to exchange data between client and server. RESTful APIs are designed to be stateless and rely on HTTP methods (such as GET, … Read more
Java Developer Interview Questions with Answers: A Java software developer is responsible for designing, developing, and maintaining software applications using the Java programming language. This can include building web applications, mobile applications, desktop applications, enterprise applications, and other software systems. Java Developer Interview Questions with Answers Some key responsibilities of a Java software developer may … Read more
What is the best way to create thread in java: There are two main ways to create a thread in Java: Best way to create thread in java class MyThread extends Thread { public void run() { // code to be executed in the new thread } } MyThread thread = new MyThread(); thread.start(); class … Read more
Internal working of Hashmap: HashMap is a data structure in Java that is used to store and retrieve key-value pairs. It uses a hash table for storage and retrieval, where each key is hashed and the resulting hash code is used to index the corresponding value. Internal Working of Hashmap? Here is the basic internal … Read more
Difference between final finally finalize: Difference between final finally finalize final, finally, and finalize are all keywords in Java, but they have different meanings and uses. Here are the definitions and examples of each: Example: public final int NUMBER_OF_DAYS = 7; // once initialized, this value cannot be changed Example: try { // code that … Read more
Which class is immutable other than string: In Java, there are several classes other than String that are immutable, some of them are: What is String in java? In Java, a String is a sequence of characters that represents a text value. It is a built-in class in Java, part of the java.lang package, and … Read more
Top 25 Spring Boot Interview Questions with Answers: Ans. Spring Boot is an open-source Java-based framework used for building microservices and web applications. It is designed to simplify the process of creating production-ready applications. 2. What are the advantages of using Spring Boot? Some of the advantages of using Spring Boot are: 3. What is … Read more
Real life Example of Encapsulation in java: Sure, here’s an example of encapsulation in Java: public class Person { private String name; private int age; public String getName() { return name; } public void setName(String name) { this.name = name; } public int getAge() { return age; } public void setAge(int age) { this.age = … Read more
Web Services vs Microservices vs API: Web services, microservices, and APIs are three related concepts in software development, but they are not the same thing. Here is a brief overview of each: In summary, web services, microservices, and APIs are all related to the concept of building software that communicates with other software systems, but … Read more
JSP Interview Questions With Answers: JSP (Java Server Pages) is a technology used for creating dynamic web pages in Java. It allows developers to embed Java code into HTML pages, making it easier to create web applications that generate dynamic content. JSP pages are compiled into Java Servlets, which are Java classes that run on … Read more