用java编写一个程序 用JAVA语言编写一个程序，要求如下：
java\u7f16\u5199\u4e00\u4e2a\u7a0b\u5e8f\u901a\u8fc7Eclipse\u8fd0\u884c\u7a0b\u5e8f
\u542f\u52a8Eclipse\uff0c\u5728\u83dc\u5355\u4e2d\u9009\u62e9\u201c\u6587\u4ef6 --> \u65b0\u5efa --> Java\u9879\u76ee\u201d\uff0c\u5f39\u51fa\u5bf9\u8bdd\u6846\uff1a
\u56fe1 \u65b0\u5efa\u9879\u76ee
\u586b\u5165\u9879\u76ee\u540d\u79f0\uff0c\u70b9\u51fb\u201c\u5b8c\u6210\u201d\uff0c\u521b\u5efa\u9879\u76ee\u6210\u529f\uff0c\u53ef\u4ee5\u770b\u5230\u5728 E:\java\workspace \u76ee\u5f55\u4e0b\u591a\u51fa\u4e86\u4e00\u4e2aDemo\u6587\u4ef6\u5939\u3002\u5728\u83dc\u5355\u4e2d\u9009\u62e9\u201c\u6587\u4ef6 --> \u65b0\u5efa --> \u7c7b\u201d\uff0c\u5f39\u51fa\u5bf9\u8bdd\u6846\uff1a
\u56fe2 \u521b\u5efa\u7c7b
\u8f93\u5165\u7c7b\u540d\u79f0\uff0c\u70b9\u51fb\u201c\u5b8c\u6210\u201d\uff0c\u6210\u529f\u521b\u5efa\u4e00\u4e2aHelloWorld\u7c7b\uff1a
\u56fe3 \u65b0\u521b\u5efa\u7684\u7c7b\u6587\u4ef6
\u5c06\u4e0b\u9762\u7684\u4ee3\u7801\u8f93\u5165\u5230\u6e90\u6587\u4ef6\uff0c\u6ce8\u610fJava\u662f\u5927\u5c0f\u5199\u654f\u611f\u7684\uff1apublic class HelloWorld {public static void main(String[] args){System.out.println("Hello World!");}}\u70b9\u51fb\u8fd0\u884c\u6309\u94ae \uff0c\u6216\u8005\u5728\u83dc\u5355\u4e2d\u9009\u62e9\u201c\u8fd0\u884c --> \u8fd0\u884c\u201d\uff0c\u5c31\u53ef\u4ee5\u770b\u5230\u4e0b\u65b9\u63a7\u5236\u53f0\u8f93\u51fa\u4e86\u201cHello World!\u201d\uff1a
\u56fe4 \u63a7\u5236\u53f0\u8f93\u51fa
\u606d\u559c\u4f60\uff0c\u4f60\u6210\u529f\u7f16\u5199\u5e76\u8fd0\u884c\u4e86\u7b2c\u4e00\u4e2aJava\u7a0b\u5e8f\u3002\u6253\u5f00Demo\u6587\u4ef6\u5939\u4e0b\u7684bin\u76ee\u5f55\uff0c\u51fa\u73b0\u4e86\u4e00\u4e2a HelloWorld.class \u6587\u4ef6\uff0c\u8fd9\u5c31\u662f\u7f16\u8bd1\u751f\u6210\u7684\u5b57\u8282\u7801\u3002\u4e0eC\u3001C++\u4e0d\u540c\uff0cJava\u7f16\u8bd1\u7684\u7ed3\u679c\u4e0d\u662f\u53ef\u6267\u884c\u6587\u4ef6\uff0c\u800c\u662f\u5b57\u8282\u7801\u6587\u4ef6\u3002\u5b57\u8282\u7801\u6587\u4ef6\u4e0d\u80fd\u76f4\u63a5\u8fd0\u884c\uff0c\u5fc5\u987b\u7531JVM\u7ffb\u8bd1\u6210\u673a\u5668\u7801\u624d\u80fd\u8fd0\u884c\uff0c\u8fd9\u5c31\u662f\u4e3a\u4ec0\u4e48\u8fd0\u884cJava\u7a0b\u5e8f\u5fc5\u987b\u5b89\u88c5JVM\u7684\u539f\u56e0\u3002
\u901a\u8fc7\u547d\u4ee4\u884c\u8fd0\u884c\u7a0b\u5e8f
\u5f53\u7136\uff0c\u4f60\u4e5f\u53ef\u4ee5\u76f4\u63a5\u8f93\u5165\u547d\u4ee4\u6765\u7f16\u8bd1\u548c\u8fd0\u884cJava\u3002\u6253\u5f00CMD\uff0ccd \u5230\u6e90\u6587\u4ef6\u6240\u5728\u76ee\u5f55\uff0c\u901a\u8fc7 javac filename \u547d\u4ee4\u5b8c\u6210\u7f16\u8bd1\uff0c\u901a\u8fc7 java classname \u547d\u4ee4\u6765\u8fd0\u884c\u7a0b\u5e8f\uff0c\u5982\u4e0b\u6240\u793a\uff1a
\u56fe5 \u901a\u8fc7\u547d\u4ee4\u7f16\u8bd1\u5e76\u8fd0\u884cJava\u7a0b\u5e8f
\u5728Eclipse\u4e2d\u8fd0\u884c\u7a0b\u5e8f\uff0c\u5b9e\u9645\u4e0a\u4e5f\u662f\u6267\u884c\u8fd9\u4e9b\u547d\u4ee4\uff0c\u5e76\u5c06\u8f93\u51fa\u7ed3\u679c\u663e\u793a\u5230\u63a7\u5236\u53f0\u3002\u6709\u4e86Eclipse\uff0c\u7f16\u7a0b\u66f4\u52a0\u65b9\u4fbf\u3002
HelloWorld\u7a0b\u5e8f\u5206\u6790
\u5206\u6790\u4e0a\u8ff0\u4ee3\u7801\uff0c\u4ece\u7a0b\u5e8f\u5f00\u59cb\u5904\u4ecb\u7ecd\u3002public class HelloWorld\u5b9a\u4e49\u4e86\u4e00\u4e2a\u7c7b\uff0c\u7c7b\u662f \u201cpublic\u201d \u516c\u5171\u7c7b\u578b\u7684\uff0c\u7c7b\u540d\u4e3a\u201cHelloWorld\u201d\u3002\u53e6\u5916\uff0cJava \u4e2d\u4e3b\u7c7b\u540d\u5e94\u8be5\u548c\u8981\u4fdd\u5b58\u7684 Java \u6587\u4ef6\u540d\u76f8\u540c\uff0c\u4e5f\u5c31\u662f\u8bf4\uff0c\u8fd9\u91cc\u5b9a\u4e49\u7684\u7c7b\u540d\u662f\u201cHelloWorld\u201d\uff0c\u5219\u6587\u4ef6\u5e94\u8be5\u4fdd\u5b58\u4e3a\u201cHelloWorld.java\u201d\u3002public static void main(String[] args)Java \u4e2d\u7684\u4e3b\u8fd0\u884c\u65b9\u6cd5\uff0c\u5b83\u548c C/C++\u4e2d\u7684main()\u4f5c\u7528\u662f\u4e00\u6837\u7684\uff0c\u5c31\u662f\u6240\u6709\u7684\u7a0b\u5e8f\u90fd\u4ece\u201cmain()\u201d\u4e2d\u5f00\u59cb\u6267\u884c\u3002\u8981\u6267\u884c Java \u7a0b\u5e8f\uff0c\u5fc5\u987b\u6709\u4e00\u4e2a\u5305\u62ec\u4e3b\u8fd0\u884c\u65b9\u6cd5\u7684\u7c7b\u3002\u81f3\u4e8e\u201cpublic static void\u201d\u7684\u542b\u4e49\uff0c\u8bfb\u8005\u53ef\u4ee5\u5c1d\u8bd5\u7740\u53bb\u6389\uff0c\u770b\u770b\u7f16\u8bd1\u5668\u4f1a\u63d0\u793a\u4ec0\u4e48\u9519\u8bef\u3002System.out.println("Hello world");\u201cSystem.out.println()\u201d\u662f Java.lang \u5305\u7684\u4e00\u4e2a\u65b9\u6cd5\uff0c\u7528\u6765\u5c06\u5b57\u4e32\u201cHello world\u201d\u8f93\u51fa\u5230\u547d\u4ee4\u884c\u7a97\u53e3\u3002
import java.util.Random;import java.util.Scanner;public class T {public static void main(String[] args) throws Exception {Scanner in = new Scanner(System.in);int difficulty;//\u96be\u5ea6int mode;//\u8fd0\u7b97\u7c7b\u578bint answer;//\u7b54\u6848int amount;//\u6311\u6218\u9898\u76ee\u6570\u91cfint score = 0;//\u5f97\u5206System.out.println("\u8bf7\u8f93\u5165\u96be\u5ea6\uff081\uff1a\u4e00\u4f4d\u6570\u30012\uff1a\u4e24\u4f4d\u6570\u30013\uff1a\u4e09\u4f4d\u6570\uff09\uff1a");difficulty = in.nextInt();System.out.println("\u8bf7\u8f93\u5165\u8fd0\u7b97\u7c7b\u578b\uff081\uff1a\u52a0\u30012\uff1a\u51cf\u30013\uff1a\u4e58\u30014\uff1a\u9664\uff09\uff1a");mode = in.nextInt();System.out.println("\u8bf7\u8f93\u5165\u60f3\u8981\u6311\u6218\u7684\u9898\u76ee\u6570\u91cf\uff1a");amount = in.nextInt();Random random = new Random();for (int i = 0; i < amount; i++) {if (difficulty == 1) {if (mode == 1) {int x = random.nextInt(10);int y = random.nextInt(10);System.out.println("\u7b2c" + i + "\u9898\uff1a");System.out.print(x + " + " + y + " = ");answer = in.nextInt();if (answer == (x + y)) {System.out.println("\u7b54\u5bf9\u4e86\n");score++;} else {System.out.println("\u7b54\u9519\u4e86\uff0c\u7b54\u6848\u662f\uff1a" + (x + y) + "\n");}} else if (mode == 2) {int x = random.nextInt(10);int y = random.nextInt(10);System.out.println("\u7b2c" + i + "\u9898\uff1a");System.out.print(x + " - " + y + " = ");answer = in.nextInt();if (answer == (x - y)) {System.out.println("\u7b54\u5bf9\u4e86\n");score++;} else {System.out.println("\u7b54\u9519\u4e86\uff0c\u7b54\u6848\u662f\uff1a" + (x - y) + "\n");}} else if (mode == 3) {//\u4e58\u6cd5} else if (mode == 4) {//\u9664\u6cd5 \u8003\u8651\u5c0f\u6570\u7684\u95ee\u9898} else {throw new Exception("\u8fd0\u7b97\u7c7b\u578b\u8f93\u5165\u503c\u4e0d\u5408\u6cd5");}} else if (difficulty == 2) {if (mode == 1) {int x = random.nextInt(100);int y = random.nextInt(100);System.out.println("\u7b2c" + i + "\u9898\uff1a");System.out.print(x + " + " + y + " = ");answer = in.nextInt();if (answer == (x + y)) {System.out.println("\u7b54\u5bf9\u4e86\n");score++;} else {System.out.println("\u7b54\u9519\u4e86\uff0c\u7b54\u6848\u662f\uff1a" + (x + y) + "\n");}} else if (mode == 2) {} else if (mode == 3) {//\u4e58\u6cd5} else if (mode == 4) {//\u9664\u6cd5 \u8003\u8651\u5c0f\u6570\u7684\u95ee\u9898} else {throw new Exception("\u8fd0\u7b97\u7c7b\u578b\u8f93\u5165\u503c\u4e0d\u5408\u6cd5");}} else if (difficulty == 3) {if (mode == 1) {int x = random.nextInt(1000);int y = random.nextInt(1000);System.out.println("\u7b2c" + i + "\u9898\uff1a");System.out.print(x + " + " + y + " = ");answer = in.nextInt();if (answer == (x + y)) {System.out.println("\u7b54\u5bf9\u4e86\n");score++;} else {System.out.println("\u7b54\u9519\u4e86\uff0c\u7b54\u6848\u662f\uff1a" + (x + y) + "\n");}} else if (mode == 2) {} else if (mode == 3) {//\u4e58\u6cd5} else if (mode == 4) {//\u9664\u6cd5 \u8003\u8651\u5c0f\u6570\u7684\u95ee\u9898} else {throw new Exception("\u8fd0\u7b97\u7c7b\u578b\u8f93\u5165\u503c\u4e0d\u5408\u6cd5");}} else {throw new Exception("\u96be\u5ea6\u8f93\u5165\u503c\u4e0d\u5408\u6cd5");}}System.out.println("\u6311\u6218\u7ed3\u675f\uff0c\u60a8\u7684\u5206\u6570\u4e3a\uff1a" + score);}}
\u6211\u5c31\u53ea\u4e3e\u4e86\u52a0\u6cd5\u7684\u4f8b\u5b50\uff0c\u5176\u4ed6\u8fd0\u7b97\u7684\u5199\u6cd5\u90fd\u662f\u7c7b\u4f3c\u7684\uff0c\u4f60\u7167\u846b\u82a6\u753b\u74e2\u5373\u53ef
\u8fd0\u884c\u7ed3\u679c\uff1a
代码如下：
import java.util.Scanner;
public class App {
public static void main(String[] argv) {
Scanner scanner = new Scanner(System.in);
int num1 = scanner.nextInt();
int num2 = scanner.nextInt();
if (num1 > num2) {
int temp = num1;
num1 = num2;
num2 = temp;
}
for (; num1 <= num2; num1++) {
if (num1 % 7 == 0) {
System.out.print(num1 + " ");
}
}
}
}
绛旓細import java.util.*;public class Main { public static void main (String [] args) { Scanner s=new Scanner(System.in);int sum=0;int x=s.nextInt();while(x!=0) { if(x%2==1) { sum+=x;} x=s.nextInt();} System.out.println(sum);} } 杩愯鏁堟灉锛...
绛旓細Java鏄竴闂ㄨ绠楁満缂栫▼璇█锛岄潰鍚戝璞＄殑缂栫▼璇█銆侸ava鍙互寮鍙戝悗绔紝鏈塻pring锛宻pringmvc锛宻pringboot锛宻pringcould绛夌瓑閮芥槸浣跨敤Java寮鍙戙侸ava涔熸湁鍓嶇妗嗘灦锛屾湁Jquery锛孞avaScript锛孞SP锛孲ervlet锛岀粺绉癑avaWEB寮鍙戙備娇鐢↗ava缂栧啓涓涓▼搴忓緢绠鍗曪紝鎸夌収鐩稿叧鐨勬ā鏉匡紝鍔犱笂涓氬姟浠ｇ爜灏卞彲浠ュ疄鐜颁竴濂楃郴缁熴
绛旓細棣栧厛鍐欎竴涓frame绫伙紝缁ф壙Frame锛屾槸缁ф壙widows鐒跺悗鎶婏紝鍑虹幇绐楀彛鐨勮鍙ュ皝瑁呮垚涓涓嚱鏁 publicvoidlunchFrame锛堬級{ this.setLocation(0,0);this.setSize(20,20);setVisible(True);//涓瀹氳鍐欒繖鍙ヨ瘽 } 鏈鍚庡彧闇瑕佸湪涓诲嚱鏁伴噷闈㈣皟鐢ㄥ氨鍙互 Java鏄竴闂ㄩ潰鍚戝璞＄紪绋嬭瑷锛屼笉浠呭惛鏀朵簡C++璇█鐨勫悇绉嶄紭鐐癸紝杩樻憭寮...
绛旓細mod銆乵ean銆乫ind锛屽垎鍒敤浜庝骇鐢熼殢鏈烘暣鏁般佸垽鏂槸鍚︿负鍋舵暟銆佽绠楀钩鍧囨暟銆佸鎵炬弧瓒虫潯浠跺厓绱犵殑涓嬫爣銆備唬鐮佸涓嬶細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5锛屽紓甯稿鐞嗭細浣跨敤鍗鍙ュ厛鍒ゆ柇锛屽涓嶇鍚堟帴鍙ｇ殑鍙傛暟鐩存帴杩斿洖锛屼互鍏嶅彂鐢熷紓甯革紒濡傛灉鏈夊叾浠栧紓甯革紝瀵瑰紓甯歌繘琛屾崟鑾峰鐞嗭紝寮傚父鎵撳嵃锛6锛屽崟鍏冩祴璇曪細鑹ソ鐨勪唬鐮佷竴瀹氳閰嶅鍗曞厓娴嬭瘯锛岃繖鏍锋墠鑳藉強鏃跺彂鐜板姛鑳介棶棰橈紝涔熻兘涓哄埆浜哄強鏃惰皟璇曚唬鐮侊紒7锛屾帴鍙ｆ枃妗ｏ細璁捐涔嬪墠鍏堝啓鎺ュ彛鏂囨。锛屽悗浣跨敤swagger瀹炵幇椤甸潰鍖栫殑鎺ュ彛鏂囨。锛屼究浜庢帴鍙...
绛旓細import java.util.Scanner;public class Shop { private String coffee="鍜栧暋";private String coke="鍙箰";private String tea="鑼";private double coffeeprice=2.00;private double cokeprice=3.00;private double teaprice=5;private double price=0.0;public Shop(){ } public void getName(...
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1.鍐呴儴浣跨敤 C 鐨 longjmp 鏈哄埗璁╁嚭涓涓鍗忕▼銆 鍥犳锛屽鏋滀竴涓 C 鍑芥暟 foo 璋冪敤浜嗕竴涓 API 鍑芥暟锛 鑰岃繖涓 API 鍑芥暟璁╁嚭浜嗭紙鐩存帴鎴栭棿鎺ヨ皟鐢ㄤ簡璁╁嚭鍑芥暟锛夈 鐢变簬 longjmp 浼氱Щ闄 C 鏍堢殑鏍堝抚锛 Lua 灏辨棤娉曡繑鍥炲埌 foo 閲屼簡銆2.涓轰簡鍥為伩杩欑被闂锛 纰板埌 API 璋冪敤涓皟鐢ㄨ鍑烘椂锛岄櫎浜嗛偅浜涙姏鍑洪敊璇...
