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.
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); } }
Index of the letter w :: 3