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Definition and Usage. 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 specified character (s) in a string.
Jun 16, 2023 · This method returns the index within this string of the first occurrence of the specified character, starting the search at the specified index or -1, if the character does not occur. Syntax: int indexOf(char ch, int strt) Parameters: ch :a character. strt : the index to start the search from.
The indexOf() method returns the index of the first occurrence of the specified character/substring within the string. Example. class Main { public static void main(String[] args) { String str1 = "Java is fun"; int result; // getting index of character 's' result = str1.indexOf( 's' ); System.out.println(result); } } // Output: 6. Run Code.
Java String indexOf() method with method signature and examples of concat, compare, touppercase, tolowercase, trim, length, equals, split, string indexof in java etc.
The String.indexOf() in Java returns the index location of a specified character or string. The indexOf() method is an overloaded method and accepts two arguments: substring or ch : the substring that needs to be located in the current string.
Mar 24, 2022 · The indexOf method returns the index position of a specified character or substring in a string. 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 character or substring in your Java code.
Dec 26, 2023 · This Java substring indexOf () method returns the index of the first character in the substring passed as the first parameter, after the “startindex” index value. If substring starts from the passed integer value of “startindex”, that substring would be ignored.
Jan 8, 2024 · The method indexOf () returns the first occurrence index of a character or a String in another String. We can pass the index of the character to start searching from. Note that the method returns -1 if the passed value is not found.
May 11, 2022 · The .indexOf() method returns the zero-indexed position of the first occurrence of the given character (s) in a string. It returns -1 if the given characters (s) are not found.
The Java String indexOf () method is, used to retrieve the index value within this string of the first occurrence of the specified character. The index refers to the position of the character in the string value. The index range is 0th index to length ()-1 index.
