Tag: Java

Table of Contents Introduction to Lambda Expressions Syntax of Lambda Expressions Functional Interfaces Built-in Functional Interfaces in Java Advantages of Lambda Expressions Lambda Expression Examples Method References and Lambda Expressions Using Lambda...

Table of Contents Introduction to Java Stream API Stream Interface Creating Streams From Collections From Arrays From Values Stream Operations Intermediate Operations Terminal Operations Filtering and Mapping Reduction and Collecting Parallel Streams Functional Style Programming in Java Benefits...

Table of Contents Introduction What are Generics? Benefits of Using Generics Generic Types Generic Classes Generic Methods Bounded Type Parameters Wildcards in Generics Type Erasure Example Usage Conclusion 1. Introduction Generics in Java are a powerful feature...

Table of Contents Introduction Iterator Interface Basic Concepts Methods of Iterator Example Usage ListIterator Interface Basic Concepts Methods of ListIterator Example Usage Enhanced For Loop (For-Each Loop) Basic Concepts Syntax and Usage Limitations Conclusion 1. Introduction In Java, iterating over...

Table of Contents Introduction List Interface Implementations ArrayList LinkedList Vector Stack Set Interface Implementations HashSet LinkedHashSet TreeSet Map Interface Implementations HashMap LinkedHashMap TreeMap Hashtable ConcurrentHashMap Choosing the Right Collection Implementation Conclusion 1. Introduction In Java, the Collections Framework provides a set of classes and...

Table of Contents Introduction to Collections Framework Core Interfaces in the Collections Framework Collection Interface List Interface Set Interface Queue Interface Map Interface Implementations of Collections Framework List Implementations Set Implementations Queue Implementations Map Implementations Utility Classes...

Table of Contents Introduction Enums in Java What is an Enum? Enum Types Using Enums in Switch Statements Enum Methods and Constructors EnumSet and EnumMap Varargs in Java What are Varargs? Syntax of Varargs When...

Table of Contents Introduction to Java I/O What is Java I/O? Streams in Java Byte Streams Character Streams File Handling in Java Reading from a File Writing to a File Working with File...

Table of Contents Introduction to Java Packages What is a Java Package? Types of Packages in Java Built-in Packages User-defined Packages Creating Packages in Java Syntax and Examples Package Directory Structure Accessing Classes...

Table of Contents Introduction to Exception Handling What is an Exception? The Need for Exception Handling in Java try-catch Block How try-catch works Multiple catch blocks Catching multiple exceptions finally Block Purpose of...

Table of Contents Introduction to Wrapper Classes What are Wrapper Classes? Primitive Data Types vs. Wrapper Classes The Purpose of Wrapper Classes Converting Between Primitive Types and Objects Commonly Used...

Table of Contents Introduction to Static, Final, and Initialization Blocks The Static Keyword in Java Static Variables Static Methods Static Blocks The Final Keyword in Java Final Variables Final Methods Final Classes Initialization Blocks...