All Tutorials

super Keyword in Java: Calling Parent Constructors and Methods Explained

Learn the super keyword in Java for calling parent constructors and methods. Understand syntax, use cases, best practices, and interview questions with examples

Java Interview QuestionsParent MethodsInheritance In JavaJava Super KeywordConstructor ChainingBest PracticesMethod OverridingJava TutorialParent ConstructorsCore Java

Polymorphism in Java: Compile-Time vs Runtime, Method Overloading and Overriding Explained

Learn polymorphism in Java, including compile-time and runtime polymorphism, method overloading vs overriding, best practices, and interview questions with examples

Java PolymorphismJava Interview QuestionsCompile Time PolymorphismPolymorphism ExamplesOop ConceptsMethod OverridingRuntime PolymorphismMethod OverloadingJava TutorialCore Java

Abstract Classes and Methods in Java: When and Why to Use Them

Learn abstract classes and methods in Java with examples. Understand when and why to use them, best practices, and interview questions for real-world scenarios

Abstraction In JavaJava Interview QuestionsOop ConceptsAbstract Vs InterfaceJava Best PracticesJava Abstract ClassesJava TutorialCore JavaAbstract MethodsCode Reuse

Interfaces in Java: Default Methods, Static Methods, and Multiple Inheritance

Learn Java interfaces with default methods, static methods, and multiple inheritance. Includes syntax, real-world examples, best practices, and interview questions

Static MethodsJava Interview QuestionsMultiple InheritanceDefault MethodsOop ConceptsJava Best PracticesInterface ExampleJava TutorialJava InterfacesCore Java

final Keyword in Java: Variables, Methods, and Classes Explained with Examples

Learn the final keyword in Java for variables, methods, and classes. Understand syntax, use cases, best practices, performance, and interview questions with examples

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Garbage Collection in Java – How It Works, finalize(), and Best Practices

Learn how Java Garbage Collection works, the role of finalize(), types of collectors, performance tips, and best practices for memory management in Java

Java Gc TuningJava Memory LeakJvm PerformanceAutomatic Memory CleanupHeap ManagementGarbage Collector TypesJvm Memory ManagementJava Garbage CollectionJava ProgrammingFinalize Method

Java Object Class Methods: equals, hashCode, toString, clone, and finalize Explained

Learn Java Object class methods including equals, hashCode, toString, clone, and finalize. Includes syntax, use cases, best practices, and interview questions.

Java Interview QuestionsObject Oriented ProgrammingHashcode JavaTostring JavaEquals Method JavaClone Method JavaJava TutorialCore JavaFinalize JavaJava Object Class

Java Heap vs Stack Memory – Variables, Objects, and Method Calls

Learn the difference between Java heap and stack memory, how variables, objects, and method calls are stored, performance tips, and best practices.

Java ObjectsJava VariablesJava Performance TuningHeap Memory LeakJava Memory ManagementStack OverflowJava Heap Vs StackMemory Allocation In JavaJvm MemoryMethod Call Stack

Shallow vs Deep Copy in Java – Cloning Objects Properly

Learn the difference between shallow and deep copy in Java, how to clone objects properly, avoid pitfalls, and implement efficient copying strategies.

Deep Copy JavaSerialization CloneShallow Copy JavaMutable ObjectsCopy ConstructorImmutable ObjectsObject CloningJava Best PracticesJava Clone MethodJava Memory Management

Wrapper Classes in Java – Integer, Double, Boolean, and More

Learn everything about Java Wrapper Classes like Integer, Double, and Boolean. Understand autoboxing, unboxing, performance tips, and best practices.

Java AutoboxingPrimitive Vs ObjectJava PerformanceBoolean ClassInteger ClassType ConversionJava Best PracticesCore Java TutorialJava Wrapper ClassesDouble Class