Methods.java

package practice;
public class Methods {
	public static void main(String[] args) {
		String  s="Navi  b";
		String s1="navi  b";
		System.out.println(s.equals(s1));
		System.out.println(s==s1);
		System.out.println(s.length()+"  //length");
		System.out.println(s.equalsIgnoreCase(s1)+"  //ignore case");
		System.out.println(s.compareTo(s1)+"  //compare");
		System.out.println(s.compareToIgnoreCase(s1)+"  //compare & ignore case");
		System.out.println(s.toUpperCase()+"  //uppercase");
		System.out.println(s.toLowerCase()+"  //lowercase");
		System.out.println(s+" // Immutable // ");
		System.out.println(s.trim()+"  //trim");
		System.out.println(s.indexOf('i')+"  //index of i");//index of i
		System.out.println(s.indexOf("i",2)+"  //after 2nd index");//after 2nd index
		System.out.println(s.indexOf("a",1,3)+"  //INBETWEEN INDEX");//inbetween index
		System.out.println(s.contains("v")+"  //checks if it is present");
		System.out.println(s.contains("naveena")+"  //checks");
		System.out.println(s.substring(2)+"  //gets from 2nd index");
		System.out.println(s.substring(0,4)+"  //gets the data inbetween index");
		System.out.println(s.endsWith("b")+"  //if ends returns true");
		System.out.println(s.repeat(2)+"  //repeating");
		System.out.println(s.replace("Navi","naveena")+"  //replace the char");
		System.out.println(s.replaceFirst("Navi","Navee")+"  //Replace 1st occurance");
		System.out.println(s);
		System.out.println(s.replaceAll("N","*")+"  //Replaces the char or string");
		System.out.println(s.replaceAll("[aeiou]","#")+"  //It replaces all vowels to #");
		System.out.println(s.split(" "));
		System.out.println(s.concat(" navee"+" bbb"));


	}
}