Java finally block
In Java, the finally block is used in exception handling to ensure that a section of code is always executed, regardless of whether an exception is thrown or not. The finally block is typically used…
In Java, the finally block is used in exception handling to ensure that a section of code is always executed, regardless of whether an exception is thrown or not. The finally block is typically used…
In Java, the concept of a “static class” typically refers to static nested classes. Java does not support creating a completely standalone static class, but a class defined within another class can be marked as…
Java inner classes are classes that are defined within another class. They provide a way to logically group classes that are only used in one place and help encapsulate the outer class functionality by hiding…
Nested try blocks in Java are a way to handle complex error scenarios by allowing try blocks within other try or catch blocks. This is especially useful when you need to perform multiple operations that…
Regular Expressions (Regex) in Java provide a powerful way to search, match, and manipulate strings. They are part of the java.util.regex package and allow you to use patterns to locate, extract, and replace specific text…
The FileReader class in Java is used to read character-based data from files. It is part of the java.io package and allows you to read data from a file character by character, line by line,…
The FileWriter class in Java is used to write character-based data to files. It is part of the java.io package and provides methods to write text data to files. FileWriter is particularly useful when you…
In Java, access modifiers control the visibility and accessibility of classes, methods, and variables. They are an essential part of encapsulation, which is one of the key principles of Object-Oriented Programming (OOP). Java provides four…
In Java, an Instance Initializer Block (IIB) is a block of code that is executed whenever an object of the class is created. It allows us to initialize instance variables or perform actions that need…
Method Overriding is an important feature of Object-Oriented Programming (OOP) in Java that allows a subclass (child class) to provide its own implementation of a method that is already defined by its superclass (parent class).…