Java – Page 40 – CodeRavo

Parsing JSON in Java

JSON (JavaScript Object Notation) is a lightweight data-interchange format that is easy for humans to read … Parsing JSON in JavaRead more

Gson, Jackson, Java, JSON, parsing

Converting Integers to Strings in Java

In Java, converting integers to strings is a common operation that can be performed using several … Converting Integers to Strings in JavaRead more

integer conversion, Integer.toString(), Java, string conversion, String.valueOf()

Working with Dates and Times in Java

In this tutorial, we will explore how to work with dates and times in Java. We … Working with Dates and Times in JavaRead more

Dates, Java, java.time, Joda-time, Times

Generating Random Numbers in Java: A Comprehensive Guide

Introduction Random numbers are essential in programming for simulations, testing, and various algorithms that require non-deterministic … Generating Random Numbers in Java: A Comprehensive GuideRead more

Java, Math.random(), Random Class, Random Numbers, Range

Printing Java Arrays to the Console

Printing Java Arrays to the Console When working with arrays in Java, you often need to … Printing Java Arrays to the ConsoleRead more

Array, arrays.tostring, debugging, Java, printing

Understanding and Handling NullPointerExceptions in Java

In Java, a NullPointerException (NPE) is a type of exception that occurs when you try to … Understanding and Handling NullPointerExceptions in JavaRead more

debugging, error handling, Java, NullPointerException, programming

Iterating Over a HashMap in Java

In Java, a HashMap is a data structure that stores key-value pairs. Iterating over these pairs … Iterating Over a HashMap in JavaRead more

For-Each Loop, HashMap, iteration, Iterator, Java

Comparing Strings in Java: Understanding Equality and Reference Operators

In Java, comparing strings can be a bit tricky due to the difference between reference equality … Comparing Strings in Java: Understanding Equality and Reference OperatorsRead more

equality, Java, null safety, reference operators, strings

Generating Random Integers Within a Specific Range in Java

Generating Random Integers Within a Specific Range in Java Random number generation is a fundamental task … Generating Random Integers Within a Specific Range in JavaRead more

Java, random integer, random number generation, secure random, threadlocalrandom

Declaring and Initializing Arrays in Java

In Java, an array is a collection of elements of the same data type stored in … Declaring and Initializing Arrays in JavaRead more

Arrays, Declaration, Initialization, Java, Multidimensional Arrays