Java Tutorial 9 --- "String Methods"

Code --- 

package com.company;

public class Tut9 {
    public static void main(String[] args) {
//         String Methods in Java
        String name = "Saswata";
        System.out.println(name);

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

        String lowercase = name.toLowerCase();
        System.out.println(lowercase);
        String uppercase = name.toUpperCase();
        System.out.println(uppercase);

        String nonTrimmedString = "    Saswata     ";
        System.out.println(nonTrimmedString);
        String trimmedString;
        System.out.println(nonTrimmedString.trim());

        System.out.println(name.substring(3));
        System.out.println(name.substring(1, 6));

        System.out.println(name.replace('a', 'u'));
        System.out.println(name.replace("ata", "bat"));

        System.out.println(name.startsWith("Sas"));
        System.out.println(name.startsWith("ata"));

        System.out.println(name.endsWith("ata"));
        System.out.println(name.endsWith("Sas"));

        System.out.println(name.charAt(0));

        String modidiedname = "Saswataata";
        System.out.println(name.indexOf("ata")); //starting index
        System.out.println(modidiedname.indexOf("ata", 6));
        System.out.println(modidiedname.indexOf("askidui")); //if do not match, it returns -1

        System.out.println(modidiedname.lastIndexOf("ata")); //delivers last index
        System.out.println(modidiedname.lastIndexOf("ata", 8));

        System.out.println(name.equals("Saswata"));
        System.out.println(name.equals("saswata"));

        System.out.println(name.equalsIgnoreCase("Saswata")); //ignore cases only sees string
        System.out.println(name.equalsIgnoreCase("saswata"));
        System.out.println(name.equalsIgnoreCase("SASWATA"));
        System.out.println(name.equalsIgnoreCase("SaSwAtA"));

//        Escape Sequence Character
        System.out.println("This is escape sequence \"double quote");
        System.out.println("This is escape sequence \\ backslash");
        System.out.println("This is escape sequence \n new line character");
        System.out.println("This is escape sequence \t tab character");
    }
}