JavaLessons/13-4_Degree.java at master · LoveMyDaughter/JavaLessons · GitHub

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package lesson13;

/*_à Íàéòè çàäàííóþ ñòåïåíü ÷èñëà.
Èñïîëüçîâàòü Generic, ââîä ÷èñåë ñ êîíñîëè, îáðàáîòêó try-catch
×èñëà äîëæíû áûòü îáúåêòàìè
*/

//_à Äëÿ ïðîñòîòû áóäåì èñïîëüçîâàòü òîëüêî öåëûå ÷èñëà

import java.util.Scanner;

public class Degree <T> {

	private Scanner readNumber, readDegree;
	private String inputNumber, inputDegree;

	//_à ×èñëî - number, Ñòåïåíü - degree, ÷èñëî â ñòåïåíè - result
	private Integer number, degree, result;

	public static void main(String[] args) {

		//_à Ýêçåìïëÿðû êëàññà Factorial
		//_à Ñîçäàâàÿ ýêçåìïëÿðû, ìîæåì îòñëåæèâàòü çíà÷åíèÿ ïåðåìåííûõ â îòëàä÷èêå
		Degree <String> stringDegree = new Degree();
		Degree <Scanner> scannerDegree = new Degree();
		Degree <Integer> integerDegree = new Degree();

		scannerDegree.readNumber = new Scanner(System.in);
		scannerDegree.readDegree = new Scanner(System.in);

		System.out.println("Ââåäèòå ÷èñëî : ");
		stringDegree.inputNumber = scannerDegree.readNumber.nextLine();

		System.out.println("Ââåäèòå ñòåïåíü : ");
		stringDegree.inputDegree = scannerDegree.readDegree.nextLine();


		//_à //_à Åñëè ââåäåííîå ñ êîíñîëè - ÷èñëî
		//_à ïåðåâîäèì åãî â òèï int
		try {
			integerDegree.number = Integer.parseInt(stringDegree.inputNumber);
			integerDegree.degree = Integer.parseInt(stringDegree.inputDegree);

			//_à Âû÷èñëåíèå ðåçóëüòàòà
			integerDegree.result = integerDegree.number;
			for (int i=1; i<integerDegree.degree; i++) {
				integerDegree.result *= integerDegree.number;
			}

			System.out.println(integerDegree.result.intValue());

		} catch (NumberFormatException e) {
			System.out.println("Íåâåðíûé ôîðìàò ÷èñëà èëè ñòåïåíè!");
		}

	}

}