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Programming Language / Java

Java

9.4K+ posts

How to Iterate over a Queue in Java?

Last Updated: 23 July 2025

Queue is a concept of Linear Data Structure that follows the concept of FIFO(First In First Out). Queues are majorly used to maintain the order of the elements to which th...read more

Java-Collections

Java-Queue-Programs

How to Implement a FIFO (First-In-First-Out) Queue in Java?

Last Updated: 26 July 2025

FIFO stands for First In, First Out, which is a common way of organizing and manipulating Data Structure. In FIFO, the first element that is added to the data structure is...read more

Find the Intersection of Two HashSets in Java

Last Updated: 23 July 2025

HashSets is a type of Collection in Java that cannot contain any duplicate values. It is often used when we need to maintain a unique data set in our application, it uses ...read more

article_image

Java-Collections

Conversion of a List to a Queue in Java

Last Updated: 23 July 2025

In this article, We will learn about how to convert a List to a Queue in Java using various methods.PrerequisiteQueue Interface in JavaList Interface in JavaMethods to Con...read more

Java-Collections

How to Use Deque as a Stack in Java?

Last Updated: 23 July 2025

The Deque extends the Queue interface and provides additional methods to support operation at both ends. This interface is part of the java.util package. The Deque interfa...read more

Java-Collections

How to Update the Value for an Existing Key in a TreeMap Using put()?

Last Updated: 23 July 2025

TreeMap is a part of Java Collection that can in-built class of java.util package. In Java, TreeMap is a pre-defined class that implements the NavigableMap interface and e...read more

Java-Collections

How to Merge Two TreeMaps in Java?

Last Updated: 23 July 2025

In Java, TreeMap is a pre-defined class that implements the NavigableMap interface and extends the AbstractMap class. In this article, we will learn to Merge Two Tree Maps...read more

Java-Collections

Java - util package

Java - Remove White Spaces from String using Regex

Last Updated: 23 July 2025

The Regex is an expression that is used for searching a required pattern or matching a required pattern or Manipulating the input based on requirements by using regex. Thi...read more

article_image

java-regular-expression

regular-expression

Convert String to Stream of Chars in Java

Last Updated: 26 January 2024

The StringReader class from the java.io package in Java can be used to convert a String to a character stream. When you need to read characters from a string as though it ...read more

How to Create a Directory in Java?

Last Updated: 23 July 2025

In Java, creating a directory is a common operation when working with file system manipulation. Directories are used to organize files and other directories into a hierarc...read more

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java-file-handling

Java-File Class

Convert a String to an InetAddress in Java

Last Updated: 23 July 2025

InetAddress is one of the Java classes which is available in java.net package. The InetAddress class contains a lot of built-in methods for handling networking-related fun...read more

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Java-Networking

How to Remove All Punctuation from a String using Regex in Java?

Last Updated: 05 February 2024

In this article, we will explain how to remove all punctuation from a given String by using Java with the help of Regex. Here regex means regular expression. The regex is ...read more

java-regular-expression

Convert a String to a ByteBuffer in Java

Last Updated: 31 January 2024

In Java, ByteBuffer can be used to perform operations at the Byte level one more thing is this class provides different types of methods for reading writing, and manipulat...read more

Convert String to LocalDate in Java

Last Updated: 29 January 2024

In this article, we will learn how to convert a String into Local Date format in Java. It will need to take a data value as a String after that by using LocalDate class we...read more

Java-LocalDateTime

How to Extract a Specific Line from a Multi-Line String in Java?

Last Updated: 14 February 2024

In Java, String Plays an important role. As String stores or we can say it is a collection of characters. We want to get a specific line from a multi-line String in Java. ...read more

Java-String-Programs

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