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import java.util.Scanner; /** * Java_2018_04_11_HW2 * Author:Dragonyue */ public class Java_2018_04_11_HW2 { public static void main(String[] args) { // TODO 自動產生的方法 Stub Scanner scanner = new Scanner(System.in); System.out.print("輸入："); int num = Integer.parseInt(scanner.nextLine()); for (int i = 0; i < num; i++) { for (int j = 0; j <= i; j++) { System.out.print(PSC(i, j) + " "); } System.out.println(); } } public static int PSC(int r, int c) { if (r == c || c == 0) return 1; else return PSC(r - 1, c) + PSC(r - 1, c - 1); } } |
日期: 2018 年 4 月 11 日
Jav 2018-04-11 HW1
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import java.util.Scanner; /** * Java_2018_04_11_HW1 * Author:Dragonyue */ class A { int SN; String Name; A() { System.out.println("111"); } A(int SN) { this(); System.out.println("222"); this.SN = SN; } void setName(String Name) { this.Name = Name; } String getName() { return this.SN + "\r\n" + this.Name; } void A(String str) { System.out.print("1個" + str); } void A(String num, String str) { int n = Integer.parseInt(num); System.out.print(num + "個" + str); } } public class Java_2018_04_11_HW1 { public static void main(String[] args) { A aA = new A(333); aA.setName("Howhow"); System.out.println(aA.getName()); Scanner scanner = new Scanner(System.in); String[] str = scanner.nextLine().split(" "); if (str.length == 1) aA.A(str[0]); else if (str.length == 2) aA.A(str[0], str[1]); } } |