Lifecycle of a Thread in Java
In Java, a thread is a lightweight process that runs concurrently with other threads within the same process. Each thread has its own execution stack, program counter, and set of…
How to Create a Thread in Java?
In Java, creating threads is an essential aspect of programming. Threads are used to execute multiple tasks concurrently, improving the performance and responsiveness of programs. In this article, we will…
What is Multithreading in Java?
Multithreading is a feature in Java that allows multiple threads of execution to run concurrently within a single program. In other words, it is the ability of the Java Virtual…
Spring Boot Introduction
Spring Boot is an open-source framework that allows developers to build standalone, production-grade applications quickly and easily. It is designed to simplify the creation of Spring-based applications by providing a…
Convert ArrayList to Array in Java
To convert an ArrayList to an array in Java, you can use the toArray() method of the ArrayList class. Here's an example: import java.util.ArrayList; public class ArrayListToArrayExample { public static…
Palindrome in Java
A palindrome is a word, phrase, number or other sequence of characters that reads the same backward as forward. Here is an example of how to check if a string…
Difference between Abstract Class and Interface in Java
In Java, an abstract class is a class that cannot be instantiated on its own and is intended to be extended by subclasses. It can contain both concrete and abstract…
Convert char to int in Java
In Java, you can convert a char to an int using the (int) casting operator. When you cast a char to an int, the ASCII value of the char is…
Armstrong Number in Java
An Armstrong number is a number that is equal to the sum of its own digits raised to the power of the number of digits. For example, 153 is an…
Microservices Interview Questions
1. When to create a new microservice vs when to extent existing microservice? Deciding when to create a new microservice vs. when to extend an existing one can be a…