fullstack-flutter-dev/JavaStudy/InfRecul.java at main · fullstack-flutter-dev-team/fullstack-flutter-dev · GitHub

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public class InfRecul
{
	public static void main(String[] args)
	{
		showHi(3);
	}


	public static void showHi(int cnt)			//	3
	{
		// 오류 코드
		/*
		//System.out.println("Hi~ ");
		System.out.printf("Hi~ (%d)\n", cnt);

		showHi(cnt--);							//	showHi(3);	showHi(3)....

		if (cnt == 1)
		{
			return;
		}
		*/

		/*
		// 정상코드
		System.out.printf("Hi~ (%d)\n", cnt);

		if (cnt-- == 1)
		{
			//테스트(확인)
			//System.out.println("cnt - 3 : " + (cnt -3));
			return;
		}

		showHi(cnt);
		*/

		/*
		System.out.println("Hi~ ");
		//System.out.printf("Hi~ (%d)\n", cnt);

		showHi(--cnt);							//	showHi(2);	showHi(1);	showHi(0);	showHi(-1)....

		if (cnt == 1)
		{
			return;
		}
		*/

		System.out.println("Hi~ ");
		//System.out.printf("Hi~ (%d)\n", cnt);


		if (cnt == 1)
		{
			return;
		}

		showHi(--cnt);							//	showHi(2);	....
	}
}