iText API- Ordered and Unordered List Example in Java

In this tutorial, we are going to create an ORDERED and UNORDERED list in the PDF document. iText API have […]

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Java 8 Consumer and Supplier Example

Java 8 introduced several functional interfaces in the java.util.function package to support functional programming paradigms. Among these interfaces, Consumer and […] Continue reading »

How to count total number of class objects created in Java

This example will help you to understand how to count the total number of class objects created in Java. 1. […] Continue reading »

Remove All Special Character from String in Java

In Java, to remove all special character form a given string, we can use the replaceAll(String regex, String replacement) method […] Continue reading »

Java 8 Predicate vs Function: A Comparison with Examples

Java 8 introduced several new features to enhance the language’s functional programming capabilities. Among these features are Predicates and Functions, […] Continue reading »

java.lang.NoClassDefFoundError: org/bouncycastle/crypto/generators/SCrypt

While encoding your password/data with SCryptPasswordEncoder, you might be getting the below exception: java.lang.NoClassDefFoundError: org/bouncycastle/crypto/generators/SCrypt at ~[spring-security-crypto-6.0.3.jar:6.0.3] at […] Continue reading »

Types of Password Encoders in Spring Security

Securing user passwords is of utmost importance in any application. The Spring Framework, a popular Java-based framework, offers a variety […] Continue reading »

Securing Passwords with Spring Security Password Encoder

One of the critical aspects of application security is properly handling user passwords. Storing passwords in plain text or using […] Continue reading »

Simplify Data Access with Spring’s @Repository Annotation

In modern web development, efficient data access is crucial to building robust and scalable applications. The Spring Framework, with its […] Continue reading »

HashSet vs TreeSet in Java

HashSet vs TreeSet in Java- A Comparison of Set Implementations: The Set interface provides an unordered collection of unique elements […] Continue reading »

Difference between ArrayList and Vector in Java

ArrayList and Vector are two commonly used classes in Java that provide dynamic arrays. They are similar in many ways […] Continue reading »

Java- Return the Squares of a Sorted Array in Sorted Order

In this Java exercise, you have an integer array sorted in non-decreasing order, and you must return an array of […] Continue reading »

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