04_Strings

import java.util.Scanner;

public class strings {
    public static void main(String[] args)
    {
           String name = "PM ";
       System.out.print("Hello I'm ");
        System.out.println(name);
        int a = 8;
        float b = 3.489f;
       System.out.printf("%d and %.2f",a, b);    // .2 is used for showing only 2 decimal values
        System.out.printf("%d and %10f",a, b);    // 10 is used for 10 spaces
       Scanner sc = new Scanner(System.in);
        String st = sc.nextLine();
        System.out.println(st);

                // STRING METHODS

            String word ="Hello";
        System.out.println(name);

        int value = word.length();
        System.out.println(value);

        String lstring = word.toLowerCase();
        System.out.println(lstring);

        String ustring = word.toUpperCase();
        System.out.println(ustring);

        String nonTrimmedstring ="      Hello   ";
        System.out.println(nonTrimmedstring);

        String trimmedString = nonTrimmedstring.trim();
        System.out.println(trimmedString);

        System.out.println(word.substring(2));

        System.out.println(word.substring(1,5));

        System.out.println(word.replace('e','a'));

        System.out.println(word.startsWith("He"));

        System.out.println(word.endsWith("lo"));

        System.out.println(word.charAt(4));

        System.out.println(word.indexOf("e"));

        System.out.println(word.lastIndexOf("e",2));

        System.out.println(word.equals("Hello"));

        System.out.println(word.equalsIgnoreCase("hello"));    // Case of characters is ignored

        String modifiedName = "world";
        System.out.println(modifiedName);

    }
}