java编程怎么完成任意输入一个正整数,反序输出每一位?
public static void main(String[] args) {\x0d\x0a Scanner input = new Scanner(System.in);\x0d\x0a System.out.print("输入任意正整数：");\x0d\x0a StringBuffer sb = new StringBuffer(input.next());\x0d\x0a sb.reverse();\x0d\x0a System.out.print("逆序为：");\x0d\x0a System.out.println(sb);\x0d\x0a }绛旓細public class test { public static void main(String[] args) { int i = (int) (Math.random() * 100 + 1);int j = 2;int x = 1;boolean flag = true;while (x != 0) { while (flag) { Scanner scan = new Scanner(System.in);if (scan.hasNextInt()) { // 鍒ゆ柇杈撳叆鐨...
绛旓細import java.util.Scanner;public class T { public static void main(String[] args) { Scanner input = new Scanner(System.in); System.out.println("璇杈撳叆瀛楃涓诧細"); String s = input.next(); if (s.matches(".*\\d.*")) { s = s.replaceAll("[^\\d]", ...
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绛旓細private String eL = "^[1-9]\\d*$";public TestRadioButton() { this.setResizable(false);setSize(300,200);mobjlLabelTime = new JLabel("杈撳叆鍊硷細");mobjlLabelTime.setBounds(10, 45, 60, 30);add(mobjlLabelTime);mobjS = new JTextField("10");mobjS.setBounds(60, 50, 50,...
绛旓細package test;import java.util.Scanner;public class ALiMianShi { public static void main(String[] args) { Scanner sc = new Scanner(System.in);System.out.println("璇杈撳叆瀛︾敓濮撳悕锛");while(true){ String name = sc.nextLine();if("q".equals(name)){ System.out.println("閫鍑哄綍鍏...
绛旓細StringBuilder s = new StringBuilder();for(int i=0;i0 && i%n==0)s.append(" ");s.append(input.charAt(i));} System.out.println (s);
绛旓細缁欎綘鍐欎竴涓惂 import java.util.Random;import java.util.Scanner;public class RandomNumber { public static void main(String[] args){ int randomNumber = new Random().nextInt();Scanner scan = new Scanner(System.in);int inputNumber = scan.nextInt();//鍚庨潰鏍规嵁浣犵殑闇瑕佸杩欎袱涓暟...
绛旓細for寰幆鍔爄f鍒ゆ柇瑙ｅ喅杩欎釜闂锛岄亣鍒拌繖鏍风殑闂鐨勬濊矾鏄細1锛氳幏鍙杈撳叆鐨勫硷紙蹇呴』鏄暣鏁颁笖澶т簬0锛2锛氬啓涓涓猣or寰幆浠ｇ爜濡備笅锛歠or(int i =0; i<n(n:涓鸿緭鍏ョ殑鍊);i++){}銆傚仛if鍒ゆ柇锛岀敱涓婇潰鐨勫浘褰㈠闈㈠彲浠ョ湅鎶鏈緭鍑虹殑鏄洓涓狝AAA鑰屽伓鏁扮殑鏃跺欒緭鍑虹殑鏄簲涓狟BBBB銆傛墍浠f鍒ゆ柇鍐呭濡備笅锛歩f(i%2==0...
绛旓細public class Java6 {public static void main(String[] args) {Scanner sc=new Scanner(System.in);System.out.println("璇杈撳叆涓涓瓧绗︿覆锛");String str=sc.nextLine();System.out.println("璇疯緭鍏ユ埅鍙栫殑寮濮嬩綅缃細");int a = sc.nextInt();System.out.println("璇疯緭鍏ユ埅鍙栭暱搴︼細");int ...
绛旓細缁欎綘鍐欎簡涓▼搴忓彲浠ュ疄鐜帮紝姣斿鍦ㄤ富鍑芥暟杈撳叆5锛屽垯杈撳嚭琛ㄧず5!(120)鐨勬暟缁刐0, 2, 1]锛屽叾涓0琛ㄧず涓綅鏁帮紝2琛ㄧず鍗佷綅鏁帮紝1琛ㄧず鐧句綅鏁帮紝绋嬪簭濡備笅锛歱ublic static void factor(int n) {int[] product = {1}; //浠1寮濮嬶紝寰幆鐩镐箻锛屾瘮濡俒1] * 2 -> [2] //[2] * 3 -> [6] /...
