Posted on Oct 3 I typically share insights on System Design & Go at Devtrovert. Feel free to check out my LinkedIn Phuong Le for the latest posts.While working on produc… Read More
Computer Science Interview Questions – Computer science is a broad field of study that deals with the design, analysis, and implementation of computer systems. It is a subfield of comp… Read More
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Last updated on 2023/09/22 to include changes up to JDK 21.
This article is also available in Chinese by Alex Tan.
Since the release of version 8, up to ver… Read More
Hello, future Java experts! We’ve already traversed the realm of Strings and StringBuilder in Java. Today, we’re going to discuss another pivotal class for string manipulation &n… Read More
Nataliia DziubenkoFollowBetter Programming--1ListenShareJava 21 brings in a lot of cool features, and one of them is the String Templates. While it serves more purposes than just classic Str… Read More
In this post, I will be sharing how to remove the last comma from String in Java. There are five ways to achieve our goal of removing the last comma from String in Java:
1. Using substring()… Read More
While working on different Java apps, there arises the concept of optimization.
It is essential to maintain the cleanliness of the code, and it also doesn’t have any defects and is… Read More
Question 21: What is the time complexity of binary search?
Answer:
https://www.synergisticit.com/wp-content/uploads/2023/07/Question_21_What_is_the_time_.mp3
The time complexity of binary s… Read More
If you are preparing for a Java interview, it is essential to familiarize yourself with the concept of strings and their commonly asked interview questions. As one of the most widely used da… Read More
Quick Summary:
Creational design patterns in Java encompass Singleton, Factory Method, Abstract Factory, Builder, and Prototype. These patterns provide flexible and structured approaches to… Read More
The role of a Java full-stack developer has become paramount in today’s tech-driven era, where companies strive to deliver exceptional user experiences through seamless integration of… Read More
In this article, we have highlighted the top Java interview questions and answers at different levels of the professional environment.
The technical world has se… Read More
String comparison is a fundamental operation in Java programming. It is used to determine whether two Strings are equal or not. In Java, Strings are objects, and therefore, they cannot be co… Read More
In this post, I will be sharing how to check if one string is the rotation of the other in Java with examples. There are 2 ways to achieve our goal:
1. Using String Concatenation [Easiest]
2… Read More
In this post, I will be sharing how to check if StringBuffer is empty or not in Java. I have already shared the difference between String, StringBuilder, and StringBuffer in detail here. The… Read More
StringBuffer class in Java is the companion class of Java String class. StringBuffer in Java is a mutable (modifiable) sequence of characters which is in contrast to String class which is a… Read More
Java provides a powerful set of tools for working with strings. This tutorial will explore the various ways to create, manipulate, and format strings in Java. We will also delve into some mo… Read More
String in Java is immutable which means once you create a String object the content of that string cannot be modified. If you modify that string then a new String object is created with the… Read More
Inheritance is one of the four fundamental OOP concepts. It can be defined as a mechanism, by which one class acquires, all the properties and behaviors of another class. Java being an objec… Read More
Map.Entry interface in Java denotes a map entry (key-value pair). Elements stored in any Map implementation like HashMap, LinkedHashMap are stored as an instance of Map.Entry. Entry interf… Read More
StringBuilder in Java is a class used to create a mutable, or in other words, a modifiable succession of characters. Like StringBuffer, the StringBuilder class is an alternative to the Jav… Read More
In this post, I am going to explain different ways to convert an Integer object to String in Java. Approach 1: Using toString() method.String str1 = i1.toString(); … Read More
Problem Statement I have given following string.Hello there how are you.... You need to replace multiple spaces with single space and print the below string… Read More
Object class is the superclass of all the classes in Java by default. It is present with a name “Object” in java.lang package.
The java.lang.Object class is the root of the Java… Read More
In this tutorial, we will learn how to convert primitive double or Java wrapper double class object to string in Java.
Sometimes, we need to convert values from one data type to another, und… Read More
Learn about how to remove comma from String in java.
Remove comma from String in java
1. Using replace() method
You can use String’s replace() method to remove commas from String in ja… Read More
A palindrome in Java is a word, phrase, number, or sentence that reads the same in forward and backward directions.
In other simple words, a palindrome is a word, phrase, number, or sequence… Read More
Just like every other programming language, “Java” has certain coding standards that every programmer must know and follow when writing codes. According to Java training, coding… Read More