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Showing posts with the label Java21

Changing the Default Terminal to Terminator on Ubuntu

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Terminator is a powerful tool for developers, allowing you to manage multiple terminal sessions in a single window. Features like splitting panes, tabs, and simultaneous input can significantly boost your productivity. Step 1: Install Terminator First, install Terminator using the apt package manager. sudo apt update sudo apt install terminator -y The -y option automatically answers 'yes' to any prompts during the installation process, streamlining the setup. Step 2: Set as the System Default Ubuntu uses a utility called update-alternatives to manage default applications. We'll use this tool to change the default terminal emulator ( x-terminal-emulator ) to Terminator. Run the Configuration Command Enter the following command in your terminal. A list of available terminals will appear. sudo update-alternatives --config x-terminal-emulator Select Terminator From the resulting list, enter the selection number corresponding to terminator and press Enter. ...
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How Modern Java Improves Exception Handling (Java 21)

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In recent Java releases, especially Java 21, exception handling mechanisms have been significantly enhanced to improve both code safety and system reliability . These improvements help developers write more robust, maintainable, and error-resilient applications. 1. switch Statements Now Handle null and Support Pattern Matching In Java versions prior to 21, passing a null value to a switch statement would throw a NullPointerException . Java 21 allows developers to explicitly handle null values inside switch , preventing unexpected crashes. switch (input) { case null -> System.out.println("Input is null."); case "YES" -> System.out.println("Yes!"); default -> System.out.println("Other input."); } Benefits Prevents NullPointerException by design Improves clarity and readability 2. Pattern Matching and when Clauses in switch Java 21 introduces pattern matching for switch , allowing developers to write m...
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Location: Calgary, AB, Canada
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