Java 8– Calculate date & time difference between two Zone

In Java 8, we can use LocalDateTime.now(ZoneId.of(String zoneId)) to get current LocalDateTime instance of the zoneId  and Duration to calculate […]

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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 org.springframework.security.crypto.scrypt.SCryptPasswordEncoder.digest(SCryptPasswordEncoder.java:195) ~[spring-security-crypto-6.0.3.jar:6.0.3] at org.springframework.security.crypto.scrypt.SCryptPasswordEncoder.encode(SCryptPasswordEncoder.java:150) […] 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 »

Java- Convert a Degree to Clock Time

Write a Java program to convert a degree to the clock time with hour: minute format. Assume if… Degree 0 […] Continue reading »

How to navigate to implementation in IntelliJ IDEA

This article will help, how quickly you can open the implementation of method. In IntelliJ IDEA, you can use the […] Continue reading »

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