使用JAVA编写一个程序 java编写一个程序
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HelloWorld\u7a0b\u5e8f\u5206\u6790
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package cn.txet.partice;
import java.util.Random;
import java.util.Scanner;
public class DemoRandom {
private static int k, i,n=0;
public static void main(String[] args) {
// 使用当前时间作为种子数字来创建Random对象
Random random = new Random(System.currentTimeMillis());
// 创建Scanner对象,获取键盘输入
Scanner scanner = new Scanner(System.in);
// 用k来存储0~1000的随机数
k = random.nextInt(1000);
System.out.println("游戏开始,请输入一个在0~1000内的数");
//用i来获取键盘输入
i = scanner.nextInt();
//当i不等于k时,进行循环
while (i != k) {
n++;
if (i > k) {
System.out.println("您输入的数字偏大,请重新输入:");
i = scanner.nextInt();
} else if (i < k) {
System.out.println("您输入的数字偏小,请重新输入:");
i = scanner.nextInt();
//当用户重新输入的次数大于9时,系统提示随机值为多少
}else if(n>=9) {
System.out.println("随机值为"+k);
}
}
//当i等于k时,程序结束
if (i == k) {
System.out.println("输入正确,程序结束");
}
}
}
import java.util.Random;
import java.util.Scanner;
public class test{
//生成随机数
private static int randomNum(){
return new Random().nextInt(1000)+1;
}
private static int temp = randomNum(); //存储随机数
private static int count = 9; //定义输入次数只有10次,算上第一次输入的
//输入
private static void inputStr(){
int num = 0 ;
System.out.print("请输入一个数：");
num = new Scanner(System.in).nextInt();
if ((num>temp) && (count>0)) {
count--;
System.out.println("偏大！");
inputStr();
}else if ((num<temp) && (count>0)) {
count--;
System.out.println("偏小！");
inputStr();
}else if ((num==temp) && (count > 0)) { //当次数没有用完，猜对的情况下，提示正确
System.out.println("恭喜你，猜对了！");
}else if(count == 0){
//当10次机会用完的时候提示
System.out.println("很遗憾，你次数已经用完！正确的数字是："+temp);
}
}
public static void main(String[] args) {
inputStr();
}
}
public static void main(String[] args){
int i=0;
Scanner in = new Scanner(System.in);
int s=new Random().nextInt(1000);
while(i<9){
compare(in.nextInt(),s);
i++;
}
if(i==9){
in.nextInt();
System.out.println("回答正确");
}
return;
}
private static void compare(int i, int s) {
if(i-s>0){
System.out.println("猜的太大了");
}else if(i-s<0){
System.out.println("猜的太小了");
}else{
System.out.println("回答正确");
}
}
把这个贴到你的类里就行了
绛旓細浠ヤ笅鏄鐢↗ava缂栧啓鐨勫垽鏂涓涓骞翠唤鏄惁鏄棸骞寸殑绀轰緥浠ｇ爜锛Copy code import java.util.Scanner;public class LeapYear { public static void main(String args[]) { Scanner sc = new Scanner(System.in);System.out.print("璇疯緭鍏ュ緟鍒ゆ柇鐨勫勾浠斤細");int year = sc.nextInt();boolean isLe...
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绛旓細import java.util.Scanner;public class MilkTeaOrder { public static void main(String[] args) { Scanner scanner = new Scanner(System.in);System.out.println("娆㈣繋鏉ュ埌濂惰尪搴楋紒");System.out.println("璇烽夋嫨鎮ㄧ殑鍙ｅ懗锛");System.out.println("1. 鍘熷懗濂惰尪");System.out.println("2. 鐝嶇彔...
绛旓細clc;clear;n=randi([10,99],[1,20])%浜х敓闅忔満鏁帮紝鍦10鍒99涔嬮棿鐨勫潎鍖闅忔満鏁 a=mean(n)%璁＄畻骞冲潎鏁 n(find(n
绛旓細浠ヤ笅鏄涓涓娇鐢↗ava璇█缂栧啓鐨绋嬪簭锛屽彲浠ヨ绠楀嚭20000000~300000000涔嬮棿鎵鏈夌殑绱犳暟锛屽苟灏嗘壘鍒扮殑绱犳暟鍐欏叆primefile.dat鏂囦欢锛歫avaCopy code import java.io.FileOutputStream; import java.io.IOException; public class PrimeNumberCalculator { public static void main(String[] args) { int start = 20000000...
绛旓細/ public class Account { private String id;private int password;private String name;private double balence;public String getId() { return id;} public void setId(String id) { this.id = id;} public int getPassword() { return password;} public void setPassword(int password) { th...
绛旓細涓轰簡鍦ㄦ偍鐨勬満鍣ㄤ笂閰嶇疆璧涓涓狫ava寮鍙戠幆澧冣斺旀偍灏浣跨敤涓涓鈥滃紑鍙戠幆澧冣濇潵鈥滃紑鍙戔濓紙缂栧啓锛绋嬪簭鈥斺旀偍闇瑕佸畬鎴愪互涓嬭繖浜涙楠わ細1.涓嬭浇涓涓寘鍚獼ava寮鍙戠幆澧冿紙缂栬瘧鍣ㄥ拰鍏朵粬宸ュ叿锛夌殑澶ф枃浠躲傜偣鍑烩滀笅杞絁2SE SDK鈥濋摼鎺ヤ笅杞絊DK锛堣蒋浠跺紑鍙戝伐鍏峰寘锛夎蒋浠躲傜綉椤典細鏄剧ず涓涓鍙崗璁傜偣鍑烩滄帴鍙椻濄傞夋嫨鎮ㄧ殑鎿嶄綔绯荤粺锛...
绛旓細import java.awt.Color;import java.awt.Container ;import java.awt.Font;import java.awt.Graphics;import java.awt.GridLayout ;import java.awt.event.ActionEvent;import java.awt.event.ActionListener;import java.awt.event.WindowAdapter ;import java.awt.event.WindowEvent ;import javax.swing....
绛旓細鍒嗘瀽涓婅堪浠ｇ爜锛屼粠绋嬪簭寮濮嬪浠嬬粛銆俻ublic class HelloWorld瀹氫箟浜涓涓绫伙紝绫绘槸 鈥減ublic鈥 鍏叡绫诲瀷鐨勶紝绫诲悕涓衡淗elloWorld鈥濄傚彟澶栵紝Java 涓富绫诲悕搴旇鍜岃淇濆瓨鐨 Java 鏂囦欢鍚嶇浉鍚岋紝涔熷氨鏄锛岃繖閲屽畾涔夌殑绫诲悕鏄淗elloWorld鈥濓紝鍒欐枃浠跺簲璇ヤ繚瀛樹负鈥淗elloWorld.java鈥濄俻ublic static void main(String[] ...
绛旓細public class Egg { public static void main(String[] args) { System.out.println(reverse(123)); } public static int reverse(int value) { if (value == 0) { return 0; } int len = 0; int c = value % 10; int other = c; if (value >...
