Important String Methods

import java.lang.*;
import java.io.*;
import java.util.*;

// String important functions

public class UdemyClasses
{
	public static void main(String args[]) 
	{
		String name = "Paras Bhatt";
		
		String ForTrim = "      TRIM        ";
		
		int a = name.length();
		
		System.out.println(name.concat(" is a good boy!")); 	//concat()
		
		System.out.println(name.toUpperCase());	//toUpperCase()
		
		System.out.println(name.toLowerCase());	//toLowerCase()
		
		System.out.println(ForTrim.trim().concat(" successfully trimed!!!"));	//trim()
		
		System.out.println(a);	//length()
		
		System.out.println(name.replace("Paras","Krishna")); 	//replace()
		
		System.out.println(name.substring(2,7));	//substring()
		
		System.out.println(name.isEmpty());		//isEmpty()
		
		System.out.println(name.startsWith("Paras"));	//startsWith()
		
		System.out.println(name.endsWith("Paras"));		//endsWith()
		
		System.out.println(name.indexOf("s"));		//indexOf()
		
		System.out.println(name.charAt(4));			//charAt()
	}
}