How to generate QR Code in Java

QRGen library provides an API to generate the QR Code in a Java application. It is built on the top […]

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Failed to start bean ‘documentationPluginsBootstrapper’; nested exception is java.lang.NullPointerException

You might encounter the “Failed to start bean 'documentationPluginsBootstrapper'; nested exception is java.lang.NullPointerException” error while upgrading Spring Boot and Swagger […] Continue reading »

ORA-01045: user xxx lacks CREATE SESSION privilege; logon denied

In the Oracle database, if you have created a new user and tried to log in with a newly created […] Continue reading »

Difference between trim() and strip() methods in Java

In this article, you will learn the difference between trim() and strip() methods of the String class in Java. trim() […] Continue reading »

How to increase Eclipse toolbar icon size

This article will help you how to increase Eclipse toolbar icon size. Sometimes you might be notice Eclipse interface icons […] Continue reading »

Java – isBlank() vs isEmpty() method of String class

In this short article, you will get to know about the difference between the isBlank() and isEmpty() methods of the […] Continue reading »

Java 11- New Methods of String Class

Java 11 (JDK 11) added a few new utility methods in the String class. These utility methods will reduce the […] Continue reading »

Shortcut key for Extract Local Variable in Eclipse/STS

Alt + Shift + L are the shortcut keys to extract/assigned a piece of code to a local variable in […] Continue reading »

IntelliJ IDEA shortcut for Extract/Introduce Local Variable

In IntelliJ IDEA, Ctrl + Alt + V for Windows/Linux and ⌘⌥V for macOS is the shortcut key to extract […] Continue reading »

Java 8 Stream filter() Method Example

filter() method introduced in the Stream interface of Java 8 version under the package java.util.stream. filter() method is an Intermediate […] Continue reading »

Java 8 Stream API allMatch(), anyMatch() and noneMatch() method Example

On this page, we will learn about Java 8 Stream API allMatch(), anyMatch() and noneMatch() method with an example. allMatch(), […] Continue reading »

Capitalize the first letter of each word in a String using Java

On this page, we will learn how to capitalize the first letter of each word in a String using Java. […] Continue reading »

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