package string_methods;
// Starting Template

import java.util.Scanner;

public class MyStringMethods {

    private String myStr = "";

    public void readString() {
        // Prompt the user and read in a String from a Scanner class from the keyboard
        // with the nextLine() method and store it in "myStr"

        Scanner scan = new Scanner(System.in);
        myStr = scan.nextLine();
        System.out.println("Enter String: ");

    }

    public void setString(String s) {
        myStr = s;
    }

    public int countOccurrences(String s) {
        int count = 0;
        String word[] = myStr.split(" ");
        for (int i = 0; i < word.length; i++) {
            int index = word[i].indexOf(s);
            if (index != -1);
            {
                count++;

            }
        }
        {
            return count;
        }
        // use indexOf and return the number of occurrences of the string "s" in "myStr"

    }

    public int countOccurrences(char c) {
        int count = 0;
        String word[] = myStr.split(" ");
        for (int j = 0; j < word.length; j++) {
            int index = word[j].indexOf(c);
            if (index != -1) {
                {
                    count++;
                }
            }
        }
        return count;
        // use indexOf and return the number of occurrences of the character "c" in
        // "myStr"
    }

    public int countUpperCaseLetters() {
        // char[]ch=myStr.toCharArray();
        int count = 0;
        for (int i = 0; i < myStr.length(); i++)

        {

            if (Character.isUpperCase(myStr.charAt(i))) {
                count++;
            }

        }
        return count;
        // return the number of upper case letters in "myStr"
    }

    public int countLowerCaseLetters() {
        char[] ch = myStr.toCharArray();
        int count = 0;
        for (int j = 0; j < myStr.length(); j++)

        {

            if (Character.isLowerCase(myStr.charAt(j))) {
                count++;
            }
        }
        // return the number of lower case letters in "myStr"
        return count;
    }

    public void printCounts(String s, char c) {
        System.out.println("***************************************");
        System.out.println("Analyzing: myStr=" + myStr);
        System.out.println("Number of Upper case letters=" + countUpperCaseLetters());
        countUpperCaseLetters();
        System.out.println("Number of Lower case letters=" + countLowerCaseLetters());
        countLowerCaseLetters();
        System.out.println("Number of " + s + " is " + countOccurrences(s));
        System.out.println("Number of " + c + " is " + countOccurrences(c));
    }

    public static void main(String[] args) {
        MyStringMethods msm = new MyStringMethods();
        msm.readString();
        msm.printCounts("big", 'a');

        msm.setString("Parked in a van down by the river bank....The van evan vanished near a lot of other vans");
        msm.printCounts("van", 'a');

        MyStringMethods msm2 = new MyStringMethods();
        msm2.setString("the elephant in the room wouldn't budge");
        msm2.printCounts("the", 'i');
    }
}