Java 4 [SEDC]

/* Java SEDC - Cas 4 */

/* Zadaca 1 - Domasna Zadaca (Pecatenje na cifrite na vnesen broj) */

package dom1;
import java.util.Scanner;

public class Dom1 {

    public static void main(String[] args) {
        Scanner scan = new Scanner(System.in);
        System.out.println("Enter number: ");
        int num = scan.nextInt();
        int i, j, c;
        int br=0;
        int num2=num;

        System.out.println("Cifrite od desno kon levo: ");
        while ( num > 0 ) {
            i=num%10;
            num=num/10;
            System.out.println(i);
            br=br+1;
        }
        System.out.println("Cifrite od levo kon desno: ");
        while ( num2 > 0 ) {
            j=(int) Math.pow(10, (br-1));
            c=num2/j;
            System.out.println(c);
            num2=num2%j;
            br--;
        }
        scan.close();

    }
}


/* Zadaca 2 - Printaj se dodeka ne vneses "s" (So koristenje na METODA) */

package zad1;
import java.util.Scanner;

public class Zad1 {

    public static void main(String[] args) {

        Scanner scan = new Scanner(System.in);
        String uInput = readString(scan);

        while (!uInput.equals("s")) {
            System.out.println("You said: " +uInput);
            uInput = readString(scan);
        }

        System.out.println("Bye");
        scan.close();
    }
    public static String readString(Scanner scan) {
        System.out.println("Enter any text, enter \"s\" for stop: ");
        String uInput = scan.nextLine();
        return uInput;
    }
}


/* Zadaca 3 -  Zbir na parni i neparni cifri na vnesen broj (So koristenje METODA) */

package zad2;
import java.util.Scanner;

public class Zad2 {

    public static void main(String[] args) {
        Scanner scan = new Scanner(System.in);
        int limit = readNumber(scan);
        sumOdd(limit);
        sumEven(limit);
        scan.close();
    }

    public static void sumOdd(int limit) {
        int counter = 1;
        long sumOdd = 0;
        while (counter < limit + 1) {
            if (counter % 2 !=0) {
                sumOdd+=counter;
            }
            counter++;
        }
        System.out.println("Sum of odd numbers from 1 to " +limit+ " equals to " +sumOdd);
    }
    public static void sumEven(int limit) {
        int counter = 1;
        long sumEven = 0;
        while (counter < limit + 1) {
            if (counter % 2 == 0) {
                sumEven+=counter;
            }
            counter++;
        }
        System.out.println("Sum of even numbers from 1 to " +limit+ " equals to " +sumEven);
    }

    public static int readNumber(Scanner scan) {
        System.out.println("Enter any number: ");
        int number = scan.nextInt();
        return number;
    }
}

/* Zadaca 4 -  Hipotenuza na triagolnik */

package zad3;
import java.util.Scanner;

public class Zad3 {

    public static void main(String[] args) {
        Scanner scan = new Scanner(System.in);
        int firstLeg = readInt(scan, "Enter first leg");
        int secondLeg = readInt(scan, "Enter first leg");
        double hypotenuse = calcHypotenuse(firstLeg, secondLeg);

        String formatted = String.format("%.2f", hypotenuse); /* dokolku sakame da go formatirame (so 2 decimalni mesta) */
        System.out.println("The value of the hypotenuse is " +formatted);
    }

    private static double calcHypotenuse(int first, int second) {
        double hypo = Math.sqrt(first*first + second*second);
        return hypo;
    }

    private static int readInt(Scanner scan, String prompt) {
        System.out.println(prompt);
        int input = scan.nextInt();
        return input;
    }
}

/* Zadaca 5 -  MyLib

https://drive.google.com/file/d/0BxXdrFleM4ISakdHdDlVcmlJU0E/edit?usp=sharing

Open link -> File(top left) -> Download */