📄️ Introduction to Java
Hey, everyone! In this guide, we'll explore the fundamentals of Java programming language.
📄️ Datatypes in Java
Hey there! In this guide, we'll explore the different data types available in Java. Understanding data types is crucial for writing efficient and clear Java code. Let's dive in!
📄️ Variables in Java
Hey, everyone! In this guide, we'll explore the concept of variables in Java. Variables are essential in programming, allowing you to store and manipulate data dynamically. Let's dive in!
📄️ Operators in Java
Hey there! In this guide, we'll explore operators in Java. Operators are symbols that instruct the compiler to perform specific operations on variables or values. Java supports a variety of operators, including arithmetic, relational, logical, bitwise, and more. Let's dive in!
📄️ Decision Making in Java
Hey there! In this guide, we'll explore decision-making in Java. Decision-making structures allow you to execute different blocks of code based on certain conditions. Let's dive in!
📄️ Multithread in Java
What is a Thread?
📄️ Loops In Java
Hey there! In this guide, we'll explore loops in Java. Loops are used to execute a block of code repeatedly based on specific conditions. Let's dive in!
📄️ Strings In Java
Hello! In this guide, we'll explore how to work with strings in Java. Strings are a crucial part of Java programming as they allow you to manipulate and process text easily. Let's dive in!
📄️ Fast I/O (BufferedReader)
Learn how to prevent TLE (Time Limit Exceeded) errors by using BufferedReader and PrintWriter in Java.
📄️ Classes
Overview
📄️ Objects
Overview
📄️ Inheritance in Java
Hey there! In this guide, we'll explore the concept of inheritance in Java. Inheritance allows one class to inherit fields and methods from another class, promoting code reusability and organization. Let's dive in!
📄️ Interfaces in Java
Hey there! In this guide, we'll explore the concept of interfaces in Java. Interfaces are used to define abstract methods that classes can implement, allowing for multiple inheritance and flexibility in designing systems. Let's get started!
📄️ Memory management
Memory management is a critical aspect of the Java Virtual Machine (JVM). The JVM is responsible for managing the memory resources of a Java application, including allocation, garbage collection, and deallocation of objects. The JVM's memory management model is designed to optimize performance, scalability, and reliability.
📄️ Generics in Java
Generics in Java allow you to write more flexible, reusable, and type-safe code. With generics, you can define classes, interfaces, and methods with type parameters, so you can create code that works with any type of data, while still maintaining type safety.
📄️ functional programming
Functional Programming in Java is a style of writing code where you focus on functions and immutability (not changing things). It is a way of programming that treats computation like a mathematical function and avoids changing data or using variables that can change over time.. Java introduced functional programming features in Java 8, including lambdas, streams, and functional interfaces.
📄️ I/O and Serialization in Java
In Java, reading from and writing to external sources (like files, network connections, or the console) is handled via I/O Streams. An I/O Stream represents an input source or an output destination. And Serialization helps you to store the state of an object into a byte stream.
📄️ Polymorphism
Polymorphism means "many forms". In Java, the same method can perform different actions depending on the object or parameters used.
📄️ Collections and Streams in Java
Java Collections Framework & Stream API complete reference — ArrayList, HashMap, PriorityQueue, TreeMap, and all Stream operations with code examples for beginners and DSA prep.
📄️ Encapsulation
Encapsulation is one of the most important concepts of Object-Oriented Programming (OOP).
📄️ Exception Handling in Java
Hey there! In this guide, we'll explore exception handling in Java. Exception handling helps manage runtime errors and prevents abrupt termination of programs, making applications more reliable and easier to debug.