package strings;

public class CharactersSearch {

public static void main(String[] args) {

String str = "Hello World";

int fi = str.indexOf('o');

System.out.println("First occurence of char 's' is found at: " + fi );

int li = str.lastIndexOf('o');

System.out.println("Last occurence of char 's' is found at: " + li );

int fo = str.indexOf('o', 4);

System.out.println("First occurence of char 's' is found at 4: " + fo);

int char_at = str.charAt(0); // ASCII Value of H

System.out.println("Character at location 20: " + char_at);

CharSequence seq = "World";

boolean val = str.contains(seq);

System.out.println("Found World ?: "+ val);

// Substring search

System.out.println("'Hello' found in String: " + str.startsWith("Hello"));

}

}