Java Examples

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How to Convert a String to a Path in Java?

Last Updated: 19 February 2024

In Java, we can convert a String representation of a file or directory path into a path object using the Paths utility class. It is a part o ...read more

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How to Handle an IOException in Java?

Last Updated: 15 February 2024

An IOException in Java occurs when we try to perform some input or output tasks and then some issues occur. Programmers need to handle this ...read more

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How to Read and Write Binary Files in Java?

Last Updated: 14 February 2024

The Binary files contain data in a format that is not human-readable. To make them suitable for storing complex data structures efficiently, ...read more

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How to Read and Write JSON Files in Java?

Last Updated: 14 February 2024

JSON (JavaScript Object Notation) is simple but powerful. It helps the server and the client to share information. Applications like Jav...read more

How to Add Random Number to an Array in Java?

Last Updated: 12 February 2024

To an array of integers with random values the nextInt() method from the java.util.Random class is used. From the random number generator se ...read more

Extract a Substring Between Two Characters in a String in Java

Last Updated: 09 February 2024

In Java, the extraction of the substring between the two characters in a string can be implemented with the substring method, and string is ...read more

How to List all Files in a Directory in Java?

Last Updated: 07 February 2024

Java provides a feature to interact with the file system through the java.io.file package. This feature helps developers automate the things...read more

Deserialize JSON Array to a Single Java Object with Jackson

Last Updated: 07 February 2024

In Java, Deserializing an array to an object means converting the Java Array into a Single Object this is mainly done when working with obje...read more

Conversion of JSON Object Array to Java POJO

Last Updated: 07 February 2024

In this article, we will learn how to use the widely used Jackson JSON library to map an array of JSON items to a Java POJO class instance.P...read more

How to Convert JSON Array Object to Java Object?

Last Updated: 06 February 2024

JSON arrays are useful for storing multiple values together that are related or part of the same set. For example, storing a list of items, ...read more

How to Read and Write XML Files in Java?

Last Updated: 02 February 2024

XML is defined as the Extensible Markup Language, and it is mostly used as a format for storing and exchanging data between systems. To read...read more

How to Evaluate Math Expression Given in String Form in Java?

Last Updated: 01 February 2024

Evaluating a mathematical expression given in string form is a common task in Java programming, often encountered in applications involving ...read more

How to Replace the Last Occurrence of a Substring in a String in Java?

Last Updated: 29 January 2024

In this article, we will learn about replacing the last instance of a certain substring inside a string as a typical need. We'll look at a p ...read more

How to Iterate over a Queue in Java?

Last Updated: 25 January 2024

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 or ...read more

Java Programs - Java Programming Examples

Last Updated: 25 March 2024

Java is one of the most popular programming languages today because of its simplicity. Java programming concepts such as control statements,...read more

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