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Java 195+ articles

Prerequisite: Future and callableFuture:A Future interface provides methods to check if the computation is complete, to wait for its completion and to retrieve the results...read more

Java

Technical Scripter

Technical Scripter 2018

Java-Class and Object

java-interfaces

The idea is to use static member in the class to count objects. A static member is shared by all objects of the class, all static data is initialized to zero when the fir...read more

Java

Technical Scripter

Technical Scripter 2018

Java-Class and Object

The Array class in java.lang.reflect package is a part of the Java Reflection. This class provides static methods to create and access Java arrays dynamically. It is a fin...read more

Java

Java-Class and Object

java-reflection-array

Array class in java.lang.reflect package is a part of the Java Reflection. This class provides static methods to create and access Java arrays dynamically. It is a final c...read more

Java

Java - util package

Java-Class and Object

java-reflection-array

Java-Array-Programs

In Java, the StringBuilder class is a part of the java.lang package that provides a mutable sequence of characters. Unlike String (which is immutable), StringBuilder allow...read more

Java

Java-lang package

Java-Class and Object

Java-StringBuilder

Every object in Java has a unique lock. Whenever we are using a synchronized keyword, then only the lock concept will come into the picture. An object-level lock is a mech...read more

Java

Picked

Java-Multithreading

Java-Class and Object

Every class in Java has a unique lock which is nothing but class level lock.  If a thread wants to execute a static synchronized method, then the thread requires a class l...read more

Java

Picked

Java-Multithreading

Java-Class and Object

Class is the collection of objects. Class is not a real-world entity it is just only templates and s or blueprints. Class does not occupy memory. We can write a c...read more

Java

Java-Class and Object

GBlog 2025

In object-oriented programming languages with garbage collection, object resurrection is when an object comes back to life during the process of object destruction, as a s...read more

Misc

Java

Java-Class and Object

Here we will be discussing one of the features introduced as an ailment in Java10. Here we will be discussing one of the features named class data sharing popularly known ...read more

Java

Java-Class and Object

Object pool pattern is a software creational design pattern that is used in situations where the cost of initializing a class instance is very high. Basically, an Object p...read more

Java

Java-Class and Object

The object is an instance of a class. A class is like a blueprint or template that defines the properties and behavior of objects. When we create an object we are creating...read more

Java

Difference Between

Geeks Premier League

Java-Class and Object

Geeks Premier League 2023

Given two array items and weights which denotes items and their respective weights. Both arrays are of equal length. For every index 'i', items[i] and weights[i] represent...read more

Java

Java Programs

java-basics

Java-Object Oriented

Java-Class and Object

java-priority-queue

Efficient Conversion of a HashMapInteger, String into another HashMapString, Integer[] involves organizing integer keys based on their corresponding string values. Here's ...read more

Java

Java Programs

Java-Collections

Java-Strings

Java-Class and Object

Java-HashMap

Java is a popular object-oriented programming (OOP) language and it's code design revolves around it's objects and their manipulation. One of the key concepts in this OOP ...read more

Java

Java Programs

Java-Object Oriented

Class and Object

Java-Class and Object

Java-Classes

Java 19

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