File handling in Java refers to the process of working or performing different types of operations with files and directories using Java programming language. File handling operations allow for the creation, reading, writing, deleting, modifying, renaming, copying, and performing other file-related various operations on files and directories. To perform file-handling Read more…
Introduction of Input and Output in Java Java has provided several APIs (also called Java Input and Output(I/O)) to read and write files since its initial releases. With subsequent releases, Java I/O has been improved, simplified, and enhanced to support new features. I/O Streams There are two types of Input Read more…
Introduction of Exception Handling in Java An exception handling in Java is a condition that causes a problem, which stops program execution suddenly and abnormally, from continuation from the point of occurrence of it. Definition of Exception Handling in Java Exceptions are events and runtime hidden errors that arise suddenly and Read more…
Introduction of Multi-threading in Java Multi-threading in Java is also sometimes called Thread-based Multitasking. Definition Multi-threading is a process of executing more than one thread concurrently/simultaneously of the same process to complete it effectively at the micro level. Features/Characteristics of Thread A Java thread is a lightweight sub-process or smallest Read more…
Definition of Package in Java A package in Java is a collection of similar types of related sub-packages, classes, interfaces, enumerations, annotations, etc. in separate bundles that provide easy access, security, protection, and namespace (storage place) management. Features/Characteristics It behaves like a container that mainly stores similar types of related Read more…
Introduction of Inheritance in Java Inheritance in Java is a fundamental concept in object-oriented programming that facilitates the creation of a hierarchy of classes, promoting code reuse and enabling the creation of more specialized classes based on existing ones. Definition of Inheritance in Java Inheritance is the ability of one Read more…
Introduction of Swing GUI Swing GUI provides richer components and improved functionality over AWT, while JavaFX is a more modern and flexible GUI framework. JavaFX is another popular GUI framework for Java, introduced in Java SE 8, which provides enhanced capabilities and a more contemporary approach to GUI development. However, Read more…
Constructor and Garbage Collection in Java Constructor and Garbage Collection in Java are basic processes or concepts in Java. Here, it is categorized into – Constructor in Java Constructors are fundamental and special methods in Java as they facilitate the initialization of objects. They play a crucial role in defining Read more…
Difference/Distinction between String and StringBuffer in Java Introduction In several other programming languages, strings are stored in arrays of characters (such as C, C++, Pascal, etc.). However, in Java strings are a separate object type, called String. Java implements strings as objects of the String class when no change in Read more…
The concept of Class and Object in Java can be categorized into – Class in Java A class is a blueprint or template that defines the properties and behaviors of objects. A class serves as a blueprint for creating instances of objects, which are individual entities that belong to a Read more…