/*** This class contains a main( ) method only* and its purpose it to demonstrate the use* of several methods in the String class API** Each team member must submit the lines of code on paper* and each team must submit their completed code.** @author your team name* @version todays's date*/public class StringMethods{public static void main(String[ ] args){String sentence;int count;sentence = new String("The Mississippi originates in Minnesota andflows to Louisiana.");System.out.println("The number of characters in the sentence: " + sentence + " is "+ sentence.length());count = 0;for(int k = 0; k < sentence.length( ); k++){if(sentence.charAt(k) == 'i'){count++;}}System.out.println("The lowercase i appears " + count + " times.");//todo using the String class API methods/* 1) Does the sentence contain the string "nat" ?* 2) Does the sentence contain the string "beat" ?* 3) Does the sentence end with "ana"?* 4) Does the sentence end with "ana."?* 5) Where is the first occurace of 's' ?* 6) Where is the second occurance of 's'?* 7) Where is the third occurance of 's'?* 8) Where is the last occurace of 's'?* 9) Where does the first occurance of "is" start?* 10)Where does the last occurance of "is" start"?* 11)Replace each occurance of 's' with 'z'.* 12) Does step 11 change the original sentence, prove it by printing.* 13) Print the substring of the sentence beginning at character 3 for 6 characters"* 14) Print the entire sentence in upper case.* 15) Does step 13 change the original string, prove it by printing*/