Posts from Java

Count number of characters in a string in Java

By Mitun Kumar Sahu

Before understanding our topic, we must first understand the meaning of a character. A single alphabet or a single digit or a single symbol or a single space within a single quote .... Read More

Remove blank rows from Excel file in Java

By Mitun Kumar Sahu

In Excel, if a blank row appears in the wrong place it will prevent Excel from performing basic functions such as sorting, removing, duplicates and subtotals. Learn how to programm.... Read More

The easiest way to configure port for a spring boot application

By Subhojeet Ghosh

Spring boot web application runs on a default localhost port 8080 which can be changed or configured in many easy ways. Using Configuration Files: We can easily configure the port .... Read More

How to connect spring boot with Database – MySQL

By Subhojeet Ghosh

In this tutorial, we will learn how about spring boot and how to connect the spring boot projects with the MySQL Database server. There is a scenario where we need to connect a spr.... Read More

How to read the application.properties in spring boot

By Subhojeet Ghosh

In this tutorial, we will discuss the major 3 ways by which we can read application.properties in Spring boot. Let’s discuss what is the use of application.properties in Spring b.... Read More

Count the total number of elements in an array in Java

By SHAHBAZ ALAM

Hello geeks, In this blog, we will be going to learn how we can count the total number of elements in an array in Java. Algorithm of Program: STEP 1: START STEP 2: INITIALIZE arr .... Read More

How to close the JFrame window programmatically in Java

By Subhojeet Ghosh

In this tutorial, we will learn the various methods and techniques by which a JFrame window can be closed programmatically in Java. There are many ways by which we can close the JF.... Read More

Unmodifiable Collection in Java

By Sushmit Vawal

Hello guys! So in this tutorial, we will learn about the unmodifiable collection in Java. Table of contents: Introduction. Method Syntax Example Explanation of code Conclusion Unmo.... Read More

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