Java - Medium Articles

Java Guava | Ints.compare() method with Examples

Ints.compare() is a method of Ints class in Guava library which is used to compare the two given int values. It takes two integers as… Read More

Guava-Ints

java-guava

Java

Clone an undirected graph with multiple connected components

Given an undirected graph with multiple connected components, the task is to clone the graph. Cloning a graph with a single connected component can be… Read More

Algorithms

Data Structures

DSA

Graph

Java

Java Programs

How to Clone a Map in Java

Given a map, the task is to clone that map. Following are the 5 different ways to Clone a Map in Java. Example: {1=Geeks, 2=For,… Read More

Java-HashMap

java-map

Java-Map-Programs

Picked

Java

LocalDate now() Method in Java with Examples

In LocalDate class, there are three types of now() method depending upon the parameters passed to it. now() now() method of a LocalDate class used… Read More

Java-Functions

Java-LocalDate

Java-time package

Java

Unreachable Code Error in Java

The Unreachable statements refers to statements that won’t get executed during the execution of the program are called Unreachable Statements. These statements might be unreachable… Read More

java-basics

Java-Control-Flow

Java

Programming Language

Difference between Abstract Class and Concrete Class in Java

Abstract Class: An abstract class is a type of class in Java that is declared by the abstract keyword. An abstract class cannot be instantiated… Read More

Java-Abstract Class and Interface

Java-Classes

Java-Object Oriented

Difference Between

Java

Vector retainAll() method in Java with Examples

The retainAll method of class vector in java is an inbuilt function in Java which is used to retains only the elements in this Vector… Read More

Java - util package

Java-Functions

Java-Vector

Picked

Java

JSF | Java Server Faces

JSF technology includes a set of APIs, which represent different UI components and helps in managing their states. These APIs further help in handling events… Read More

Java 8

Java

Date compareTo() method in Java with examples

The compareTo() method of Java Date class compares two dates and sort them for order. Syntax: public int compareTo(Date anotherDate) Parameters: The function accepts a… Read More

Java - util package

Java-Functions

Java-util-Date

Java

Set clear() method in Java with Examples

The Java.util.Set.clear() method is used to remove all the elements from a Set. Using the clear() method only clears all the element from the set… Read More

Java-Collections

Java-Functions

java-set

Java

Map get() method in Java with Examples

The get() method of Map interface in Java is used to retrieve or fetch the value mapped by a particular key mentioned in the parameter.… Read More

Java-Collections

Java-Functions

java-map

Java

TimeZone getOffset() Method in Java with Examples

The getOffset() method of TimeZone class in Java is used to know the offset value of this TimeZone at a specific date from the UTC… Read More

Java - util package

Java-Functions

Java-TimeZone

Java

Set iterator() method in Java with Examples

The java.util.Set.iterator() method is used to return an iterator of the same elements as the set. The elements are returned in random order from what… Read More

Java-Collections

Java-Functions

java-set

Java

Set retainAll() method in Java with Example

The retainAll() method of java.util.Set interface is used to retain from this set all of its elements that are contained in the specified collection. Syntax:… Read More

Java-Collections

Java-Functions

java-set

Java

ConcurrentLinkedDeque push() method in Java with Examples

The push() method of ConcurrentLinkedDeque class is an in-built function in Java which pushes an element onto the stack represented by this deque (in other… Read More

Java - util package

Java-Collections

Java-ConcurrentLinkedDeque

Java-Functions

Picked

Java

LocalTime plus() method in Java with Examples

In LocalTime class, there are two types of plus() method depending upon the parameters passed to it. plus(long amountToAdd, TemporalUnit unit) plus() method of a… Read More

Java-Functions

Java-LocalTime

Java-time package

Java

LinkedList toArray() method in Java with Example

java.util.LinkedList.toArray() method is used to convert LinkedList into an Array. It returns the same LinkedList elements but in the form of Array only. We have… Read More

Picked

Java

Stack size() method in Java with Example

The Java.util.Stack.size() method in Java is used to get the size of the Stack or the number of elements present in the Stack. Syntax: Stack.size()… Read More

Java - util package

Java-Collections

Java-Functions

Java-Stack

Java

LinkedHashSet toArray() method in Java with Example

The toArray() method of Java LinkedHashSet is used to form an array of the same elements as that of the LinkedHashSet. Basically, it copies all… Read More

Java - util package

Java-Collections

Java-Functions

java-LinkedHashSet

Java

Stack set() method in Java with Example

The set() method of Java Stack is used to replace any particular element in the stack created using the Stack class with another element. This… Read More

Java - util package

Java-Collections

Java-Functions

Java-Stack

Java