Blog: how to do in java

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Spring boot JPA + Hibernate + HikariCP Configuration HikariCP is a light-weight production ready JDBC connection pool. Learn about various options for configuring the HikariCP with Spring boot ... 3 10-06-2021 21:42:13 how to do in java Advanced

Testing with Spring Boot 2.4 and JUnit 5 Learn to test a Spring boot 2.4 application which has JUnit 5 dependencies. We will see some very quick and simple examples of : Unit testin... 4 18-04-2021 23:31:16 how to do in java Advanced

JavaScript Array filter() The JavaScript Array filter() method takes an array and a callback function as arguments, and returns a new array with all elements that pas... 0 11-04-2021 22:21:25 how to do in java Advanced

Log4j2 ConsoleAppender Example Log4j2 ConsoleAppender appends the log events generated by application into the System.out or System.err. The default target is System.err. ... 7 24-02-2021 14:11:16 how to do in java Advanced

Java 15 New Features Java 15 released on 15th Sep'2020 following the 6th-month release cycle. Java 15 continues support for various preview features in previous ... 6 20-02-2021 18:00:31 how to do in java Advanced

Java EdDSA (Ed25519 / Ed448) Example EdDSA (Edwards-Curve Digital Signature Algorithm) [RFC 8032] is another additional digital signature scheme added in Java 15 thorough JEP 33... 4 17-02-2021 21:23:00 how to do in java Advanced

Sealed Classes and Interfaces In Java, by default, there is no restriction on a class which public interfaces it can impliment. Since Java 15, now a class or interface ca... 6 28-11-2020 21:17:46 how to do in java Advanced

Java Stream findAny() The findAny() method returns an Optional describing the any element of the given stream if Stream is non-empty, or an empty Optional if the ... 3 01-09-2020 18:41:18 how to do in java Advanced

Java Stream findFirst() The findFirst() method returns an Optional describing the first element of the given stream if Stream is non-empty, or an empty Optional if ... 4 31-08-2020 12:51:24 how to do in java Advanced

Java FileWriter The Java FileWriter class is for writing the text to the character-based files using a default buffer size. It uses character encoding defau... 3 21-08-2020 17:53:48 how to do in java Advanced

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