Java Database Access: An Overview Guide

You can use this guide to get an overview of how to access databases in Java. From databases like MySQL, Postgres and Oracle, to libraries like JDBC, Hibernate and jOOQ. Read more

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Comparing Objects in Java

TLDR; Java has a few different ways of comparing variables and objects with one another. ==, equals(), compareTo() and compare(). Java provides various operators such as == and != which check for equality and inequality respectively. They are used in a pr... (more…)

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Java’s Sealed Classes

The release of Java SE 15 in Sept 2020 will introduce "sealed classes" (JEP 360) as a preview feature. A sealed class is a class or interface which restricts which other classes or interfaces may extend it. Sealed classes, like enums, capture alternative... (more…)

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