Month: May 2023

To set the JAVA_HOME environment variable for all users on Linux, you can modify the system-wide profile file. Here’s how you can do it: Now, the JAVA_HOME environment variable will…

In Java, record fields are automatically initialized with default values based on their type. Here’s an example that demonstrates the default values assigned to record fields: public record Person(String name,…

Java records and classes serve different purposes and have distinct characteristics. Here are the key differences between Java records and classes: Java Records: Java Classes: In summary, Java records are…

By default, Java records are immutable, meaning their fields cannot be modified once an instance is created. However, starting from Java 17, you can make a record mutable by declaring…

Java introduced a new feature called Records in Java 14, which provides a concise way to declare classes whose main purpose is to hold data. Records automatically generate constructor, accessor…

The var keyword allows for local variable type inference, where the compiler infers the type of a variable based on the assigned value. It reduces the need for explicit type…

In Java 17, sealed classes were introduced as a standard feature. Sealed classes provide a mechanism for restricting the inheritance hierarchy of a class, allowing the class author to control…

In Java, a virtual thread refers to a lightweight user-level thread of execution that is managed by the Java Virtual Machine (JVM) instead of relying on the underlying operating system…

In Java 17, pattern matching for switch statements was introduced as a standard feature. This enhancement allows you to simplify and streamline switch statements by combining pattern matching and switch…

Hidden classes in Java provide a mechanism for framework and library developers to create classes that are not discoverable through normal class loading mechanisms. While hidden classes are primarily intended…