How can I search a character or substring in java?

You can search for a particular letter in a string using the indexOf() method of the String class. This method which returns a position index of a word within the string if found. Otherwise it returns -1.

Example

 Live Demo

public class Test {
   public static void main(String args[]){
      String str = new String("hi welcome to Tutorialspoint");
      int index = str.indexOf('w');
      System.out.println("Index of the letter w :: "+index);
   }
}

Output

Index of the letter w :: 3

Maruthi krishna

Published on 05-Jul-2019 10:46:06

• Related Questions & Answers
• How can I clear or empty a StringBuilder in Java.
• Java Program for Anagram Substring Search
• Search index of a character in a string in Java
• Search for a character from a given position in Java
• Java Program to search for a Substring from a specified index
• How can Tensorflow be used to work with character substring in Python?
• MongoDB $regex operator i or I for case insensitive search
• How can I search (case-insensitive) in a column using LIKE wildcard?
• Anagram Substring Search using Python
• How I can reverse a Java Array?
• How can I reverse a string in Java?
• How to search for ^ character in a MySQL table?
• How can I search within a table of comma-separated values in MySQL?
• How can I improve performance of a Laptop or PC?
• Python Program for Anagram Substring Search