The indexOf() method returns the position of the first occurrence of specified character (s) in a string. Tip: Use the lastIndexOf method to return the position of the last occurrence of …

The first occurrence of 'a' in the "Learn Java programming" string is at index 2. However, the index of second 'a' is returned when str1.indexOf('a', 4) is used.

Nov 19, 2024 · In Java, the String indexOf () method returns the position of the first occurrence of the specified character or string in a specified string. In this article, we will learn various ways …

Apr 11, 2025 · A quick example and explanation of the indexOf API of the standard String class in Java.

Apr 1, 2025 · In this Tutorial, we will learn about the Java String indexOf () Method and its Syntax and Programming Examples to find the Index of Characters or Strings.

Mar 24, 2022 · In this article, we'll see the syntax for the different indexOf methods. We'll also look at some examples to help you understand and use them effectively to find the index of a …

Nov 12, 2025 · This blog post will provide a comprehensive guide to the indexOf method in Java, covering its fundamental concepts, usage methods, common practices, and best practices.

May 21, 2025 · The indexOf() method in Java searches for a specific character or substring within a String and returns the index position of its first occurrence. If the search is successful, you …

Aug 8, 2024 · What is the indexOf () method in Java? The indexOf () method in the Java String class is designed to provide the position of the initial occurrence of a specified character or …

Sep 8, 2021 · In this tutorial, we will learn about the IndexOf () java method. We will learn how we can use this method to find the position of a substring within a string. We will also cover the …