Author Archives: Stanislav_Panteleev

Internationalization (i18n) & Localization (l10n) in Java Internationalization (i18n) and Localization (l10n) in Java are used to develop applications that support multiple languages, regions, and cultural formats without changing the core code.

✅ Generics in Java allow you to write type-safe, reusable, and flexible code by enabling parameterized types. They help avoid type casting and runtime ClassCastException errors.

Order of catch Blocks for IOException and FileNotFoundException In Java, exception handling follows the rule that subclass exceptions must be caught before their superclass exceptions. ✅ Key Rule: FileNotFoundException is a subclass of IOException, so it must be caught first. … Continue reading →

Can the main() Method Throw an Exception in Java? ✅ Yes, the main() method can throw an exception outside using the throws keyword.🚨 However, if an exception is not handled inside main(), it will be handled by the JVM (Java … Continue reading →

✅ Yes, in most cases, the finally block always executes, regardless of whether an exception occurs or not.🚨 However, there are a few rare cases where it does NOT execute.

✅ Yes! Since Java 7, a single catch block can handle multiple exceptions using the pipe (|) operator. This is called multi-catch exception handling.

✅ Yes, Java allows a try-finally block without a catch block. This is useful when you want to execute some code that might throw an exception but still need to perform cleanup actions, such as closing a file, releasing a … Continue reading →

he try-with-resources mechanism in Java is a feature introduced in Java 7 that automatically closes resources (such as files, sockets, and database connections) when they are no longer needed. It eliminates the need for explicitly closing resources in a finally … Continue reading →

Operation of the try-catch-finally Block in Java The try-catch-finally block in Java is used for exception handling, ensuring that errors are caught, handled, and resources are cleaned up properly.

What is OutOfMemoryError in Java? The OutOfMemoryError in Java is a serious runtime error that occurs when the Java Virtual Machine (JVM) runs out of memory and cannot allocate more objects. It belongs to the java.lang.Error class and is not … Continue reading →