How to resolve Whitelabel Error Page in Spring Boot

In this article, we will explore how to handle Whitelabel Error Page in Spring Boot application. During the development of […]

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How to enable breadcrumb in Eclipse/STS

In Eclipse, we can enable or show the breadcrumb bar in three ways: 1. Menu Bar We can enable the […] Continue reading »

Find second index of a substring in a String in Java

In Java, we can use the overloaded method indexOf(String str, int fromIndex) of the String class to get the second […] Continue reading »

How to delete duplicate rows in Excel

This tutorial will help you to remove all the duplicated data/rows from the Excel sheet. Follow the below steps: Step […] Continue reading »

Java- Count number of pairs in the Array whose sum is zero

This Java example will help to solve a given scenario. Scenario: Write down a Java program that calculates the number […] Continue reading »

Eclipse shortcuts for Open Call Hierarchy

In Eclipse IDE, Ctrl + Alt + H are the shortcut key to see the call hierarchy of any method […] Continue reading »

How to search old emails in Gmail quickly

This article will help to search older emails on your Gmail account faster and easier with the new operators. If […] Continue reading »

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 »

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