Jul 23, 2025 · The most common method to convert a string to a primitive int is Integer.parseInt (). It throws a NumberFormatException if the string contains non-numeric characters.

Alternatively, you can use an Ints method from the Guava library, which in combination with Java 8's Optional, makes for a powerful and concise way to convert a string into an int:

Dec 15, 2023 · In this article we will show multiple ways of converting a String to an int or Integer.

Jan 16, 2026 · This guide will walk you through exactly how to convert a string to an int in Java, using practical examples (like converting "1234" to 1234). We’ll cover core methods, exception handling, …

Apr 1, 2025 · This tutorial explains the ways to convert Java String to Integer using Integer.parseInt and Integer.ValueOf methods with code examples.

Jan 16, 2026 · This blog post will explore various ways to convert a string to an integer in Java, including fundamental concepts, usage methods, common practices, and best practices.

Aug 29, 2025 · Learn multiple methods to convert String to int in Java with detailed examples, error handling, and best practices for robust applications.

Jul 22, 2025 · In this guide, you will learn how and when to use different methods to convert a string to int in Java with examples, and also know how to fix errors if the string is not valid.

Learn 6 easy ways to convert a String to int in Java with examples. Explore Integer.parseInt (), valueOf (), Scanner, and more. Read now!

Jan 10, 2023 · In this quick Java tutorial, we learned to parse a string to int or Integer type. We also learned to parse the numbers in decimal, octal and hexadecimal formats.