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Java program to find the index of a particular character in a given string



Following program shows you how to find the index of a particular character in a given string.

import java.util.Scanner;

public class StringOperations9 {

	public static void main(String[] args) {

		String input;

		Scanner in = new Scanner(System.in);

		System.out.println("Please enter a string:");

		input = in.nextLine();

		System.out.println("Please enter a character:");

		String character = in.nextLine();

		System.out.println("Index of given character is: " + input.indexOf(character));
	}
}

Output:

Example1:

Please enter a string:
hello
Please enter a character:
o
Index of given character is: 4

Example2:

Please enter a string:
hello
Please enter a character:
r
Index of given character is: -1