运行编译过的Java类

3 月，1 周 Questions & Answers 251

我编译了两个java源代码，即版本。课堂开放。阶级

基本上，这个版本。类持有public static void main子句，而。类主要是一组使整个程序工作的构造函数

我是这样做的：

if ("n".equalsIgnoreCase(input)) {
    new open();
} else if ("q".equalsIgnoreCase(input)) {
        System.exit(0);
    }

问题是，当我在CMD中运行它时，我输入了以下内容：

java version

它表示该命令无法找到或加载主类。发生这种情况的主要问题是什么？非常感谢。我希望编译时它也能在CMD中运行，这样我就可以制作一个bat文件，使程序也能在CMD中运行。编辑：

以下是整个版本课程：

import java.util.Scanner;
public class version{
public static String input;
public static Scanner s = new Scanner (System.in);

public static void main (String [] args ) {
    System.out.println("========================");
    System.out.println("ANAGRAM MASTER VERSION 1.0");
    System.out.println("Created by: Janrae Mendoza");
    System.out.println("==========================");
    System.out.println("Press the corresponding letters for your desired option: ");
    System.out.println("<n> New Game");
    System.out.println("<q> Quit Game");
    input = s.nextLine();

if ("n".equalsIgnoreCase(input)) {
    new open();
} else if ("q".equalsIgnoreCase(input)) {
        System.exit(0);
    }
    }

}

虽然这是公开课：

import java.util.Random;
import java.util.Scanner;


public class open{

public String input;
public Scanner s = new Scanner (System.in);
public Random r = new Random();

//at least 25 words
public String scrambled[] = {"MICSECO", "LEPAIM", "ICHORE", "MLORTA", "TIEEXSUQI",
        "MEERTO", "DESTOAK", "MLIBOE", "PHRAPARGA", "UALBILNGI", "DOXORTHRO",
        "ZEIMESREM", "OKVEPRO", "ILAPRS", "TEMOED", "QUEMSADRAE", "LSEIMUP",
        "CREUPRO", "BLRUNDE", "CKRENO", "UIPRSUT", "BINMEHLOGO", "DRKERA",
        "SEACEDAP", "SOULEAZ"};

public String scrAns[] = {"ECONOMICS", "IMPALE", "HEROIC", "MORTAL", "EXQUISITE",
        "REMOTE", "STOCKADE", "MOBILE", "PARAGRAPH", "BILINGUAL", "ORTHRODOX",
        "MESMERIZE", "PROVOKE", "SPIRAL", "DEMOTE", "MASQUERADE", "IMPULSE",
        "PROCIRE", "BLUNDER", "RECKON", "PURSUIT", "HEMOGLOBIN", "DARKER",
        "ESCAPADE", "ZEALOUS"};

public int word;
public boolean stop = false;
public int scrnum;
public int timesplayed;

public void sleep() {
    try {
        Thread.sleep(1000);
    } catch (Exception e) {}
}

public open() {
        while (stop == false) {
            sleep();
    System.out.println("Guess out the scrambled word!");
    word = r.nextInt(24);
    scrnum = word;
    System.out.println("ANAGRAM: " + scrambled[word]);
    System.out.print("YOUR ANSWER: ");
    input = s.nextLine();
        if (input.equalsIgnoreCase(scrAns[scrnum])) {
            System.out.println("You guessed the word right!");
            System.out.println("Continue playing? <y> Yes and any other keys for No");
            input = s.nextLine();
                if ("y".equalsIgnoreCase(input)) {
                    timesplayed++;
                } else {
                                        stop = true;
                                    }
        }

        }
        System.out.println("Thank you for trying out version 1 of this game! You played " + timesplayed
                + " times! Enjoy your day, player!");
}

}

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运行编译过的Java类

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