Java Basics Data types
In Java, data types specify the type of data that...
Read MoreJava Basics Variables
In Java, a variable is a named reference to a...
Read MoreJava Basics Operators
In Java, operators are symbols or keywords that perform operations...
Read MoreJava Basics Control statements (if-else, switch-case, loops)
In Java, control statements are used to control the flow...
Read MoreJava Basics Arrays
In Java, an array is a collection of similar types...
Read MoreJava Basics Methods
In Java, a method is a block of code that...
Read MoreJava Basics Classes and objects
In Java, a class is a blueprint or a template...
Read MoreJava Basics Constructors
In Java, a constructor is a special method that is...
Read MoreJava Basics Access modifiers
In Java, access modifiers are keywords that are used to...
Read MoreJava Basics Inheritance
In Java, inheritance is a mechanism that allows one class...
Read MoreJava Basics Polymorphism
In Java, polymorphism is a feature of object-oriented programming that...
Read MoreJava Basics Abstract classes and interfaces
In Java, abstract classes and interfaces are used to define...
Read MoreJava Basics Packages and imports
In Java, packages and imports are used to organize and...
Read MoreException Handling Try-catch blocks
In Java, exception handling allows you to catch and handle...
Read MoreException Handling Checked and unchecked exceptions
In Java, exceptions are classified as either checked exceptions or...
Read MoreException Handling Handling multiple exceptions
In Java, it is possible to handle multiple exceptions using...
Read MoreException Handling Throwing exceptions
In Java, you can throw exceptions manually using the `throw`...
Read MoreException Handling Finally block
In Java, a `finally` block is used to execute code...
Read MoreException Handling Custom exceptions
In Java, you can create custom exceptions to handle specific...
Read MoreJava Collections ArrayList
In Java, an `ArrayList` is a resizable array that is...
Read MoreJava Collections LinkedList
In Java, a `LinkedList` is a data structure that represents...
Read MoreJava Collections HashSet
In Java, a `HashSet` is a collection that stores unique...
Read MoreJava Collections TreeSet
In Java, a `TreeSet` is a collection that stores elements...
Read MoreJava Collections HashMap
In Java, a `HashMap` is a collection that stores key-value...
Read MoreJava Collections TreeMap
In Java, a `TreeMap` is a collection that stores key-value...
Read MoreJava Collections Queue
In Java, a `Queue` is a collection that represents a...
Read MoreJava Collections Stack
In Java, a `Stack` is a collection that represents a...
Read MoreJava Collections Iterator
In Java, an `Iterator` is an interface that provides a...
Read MoreJava Collections Comparable and Comparator interfaces
In Java, the `Comparable` and `Comparator` interfaces are used to...
Read MoreJava Collections Java 8 Stream API
In Java 8, the `Stream` API was introduced as part...
Read MoreMultithreading and Concurrency Threads and Runnable interface
In Java, multithreading and concurrency are used to execute multiple...
Read MoreMultithreading and Concurrency Thread synchronization
In Java, thread synchronization is used to coordinate the access...
Read MoreMultithreading and Concurrency Thread communication (wait, notify, notifyAll)
In Java, thread communication is used to coordinate the activities...
Read MoreMultithreading and Concurrency Thread pools
In Java, thread pools are used to manage a group...
Read MoreMultithreading and Concurrency Concurrent collections
In Java, concurrent collections are thread-safe collections that are designed...
Read MoreMultithreading and Concurrency Executors framework
In Java, the `Executors` framework provides a way to manage...
Read MoreMultithreading and Concurrency Atomic variables and locks
In Java, atomic variables and locks are used to ensure...
Read MoreMultithreading and Concurrency Java Memory Model
The Java Memory Model (JMM) is a set of rules...
Read MoreFile Handling and I/O Reading and writing files
In Java, file handling and I/O operations are used to...
Read MoreFile Handling and I/O File streams (byte stream and character stream)
In Java, file streams are used to read and write...
Read MoreFile Handling and I/O Serialization and deserialization
Serialization and deserialization in Java refer to the process of...
Read MoreFile Handling and I/O BufferedReader and BufferedWriter
The `BufferedReader` and `BufferedWriter` classes in Java provide a way...
Read MoreFile Handling and I/O File and Directory operations
In Java, file and directory operations are used to manage...
Read MoreJava 8 Features Stream API
The Stream API is a feature introduced in Java 8...
Read MoreJava 8 Features Method references
Method references is a feature introduced in Java 8 that...
Read MoreImplement a Java program to reverse a string without using any built-in methods.
Sure, here’s a Java program to reverse a string without...
Read MoreWrite a Java program to check if a string is a palindrome or not.
Sure, here’s a Java program to check if a string...
Read MoreImplement a Java program to find the common elements between two arrays.
Sure, here’s a Java program to find the common elements...
Read MoreWrite a Java program to find the length of the longest increasing subarray in an array.
Sure, here’s a Java program to find the length of...
Read MoreJava 8 Features Default and static methods in interfaces
One of the major changes introduced in Java 8 was...
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