1. Overview In this article, we will see the Java printstacktrace and its use case. Before delving into the printstacktrace method that is available in Throwable class, let’s also recall our understanding on the Throwable class. 2. Throwable The Throwable class is the superclass of all errors and exceptions available in the Java language. Java Virtual Machine … Read more
1. Overview In this article, we will learn the new feature Sealed classes and interfaces of Java. Java introduces the Sealed classes and interfaces as a preview feature in JDK 15 (JEP 360) and JDK 16 (JEP 397). Now, finalized the feature in JDK 17 (JEP 409), with no changes from JDK 16. Sealed classes and interfaces … Read more
1. Overview In this article, we will discuss the Java instanceof operator with examples. 2. Java instanceof operator The Java instanceof operator (type comparison) compares an object to a specified type. So you can use it to check if an object is an instance of a: classsubclassclass that implements a particular interface. The syntax of … Read more
1. Overview In this article, we will discuss Java pattern matching of instanceof. The Java 14 release version introduces this instanceof pattern matching as a preview feature (not production-ready). Starting from Java 16 release (JEP 394), it is no more a preview feature and has been finalized. 1.1. Enable this pattern matching instanceof preview feature … Read more
1. Overview In this article, we will learn the Java String valueof function with examples. 2. Java string valueof The Java String class contains many overloaded valueof methods for use, meaning many methods exist with the same name valueof that takes different types as an input parameter. The supported types are boolean, char, char array, double, float, … Read more
