What are the new features in JDK15
Introduction
Some of the interesting new features in JDK15 are as follows:
Sealed Class
Sealed Interfaces
Text Blocks
Records
Hidden Classes
Sealed Class
https://www.testingdocs.com/questions/what-are-sealed-classes-in-java/
Sealed Interface
https://www.testingdocs.com/questions/what-is-a-sealed-interface-in-java/
Text Blocks
Textblocks are designed to support multi-line strings in the Java code. Text block begins with three double quotes and newline.
package jdk15; //www.TestingDocs.com public class TextBlockDemo { public static void main(String... args) { //text block begins with three double quotes and newline String str = """ Hello Text Blocks """; System.out.println(str); String helloStr = """Hello World """; //ERROR String helloStr1 = """Hello World """; //ERROR } }