<ruby id="bdb3f"></ruby>

    <p id="bdb3f"><cite id="bdb3f"></cite></p>

      <p id="bdb3f"><cite id="bdb3f"><th id="bdb3f"></th></cite></p><p id="bdb3f"></p>
        <p id="bdb3f"><cite id="bdb3f"></cite></p>

          <pre id="bdb3f"></pre>
          <pre id="bdb3f"><del id="bdb3f"><thead id="bdb3f"></thead></del></pre>

          <ruby id="bdb3f"><mark id="bdb3f"></mark></ruby><ruby id="bdb3f"></ruby>
          <pre id="bdb3f"><pre id="bdb3f"><mark id="bdb3f"></mark></pre></pre><output id="bdb3f"></output><p id="bdb3f"></p><p id="bdb3f"></p>

          <pre id="bdb3f"><del id="bdb3f"><progress id="bdb3f"></progress></del></pre>

                <ruby id="bdb3f"></ruby>

                ThinkChat2.0新版上線,更智能更精彩,支持會話、畫圖、視頻、閱讀、搜索等,送10W Token,即刻開啟你的AI之旅 廣告
                ## 2.1-HelloWord程序的代碼編譯 ![](https://img.kancloud.cn/95/58/9558eca0967bd3e8015f400ded9e8291_748x311.png) ``` public class HelloWord { public static void main(String[] args) { System.out.println("Hello Word!"); } } ``` ### 2.1.1編譯HelloWord.java ``` 命令:>javac HelloWord.java ``` ![](https://img.kancloud.cn/b5/aa/b5aa812549aec427d2dd1f9390026205_613x254.png) 將會生成一個 HelloWord.class文件 ### 2.1.2運行HelloWord.java ``` 命令:>java HelloWord ``` ![](https://img.kancloud.cn/fa/12/fa12ee89f21c4c4abd88228c163f1abc_657x258.png) **此時運行的是HelloWord.class類文件** ### 2.1.3-常見問題 * 類名和文件名必須相同 * 編譯 >javac HelloWord.java * 運行 >java HelloWord ### 2.1.3-注釋 //public class 后面代表定義一個類的名稱,類是Java當中所有源代碼的【基本組織單位】 ``` public class HelloWord //類名稱必須和文件名相同(包括大小寫) { //程序執行的起點 public static void main(String[] args) { //打印輸入語句(屏幕顯示) System.out.println("Hello Word!!!!"); /** 多行注釋 多行注釋 */ } } ```
                  <ruby id="bdb3f"></ruby>

                  <p id="bdb3f"><cite id="bdb3f"></cite></p>

                    <p id="bdb3f"><cite id="bdb3f"><th id="bdb3f"></th></cite></p><p id="bdb3f"></p>
                      <p id="bdb3f"><cite id="bdb3f"></cite></p>

                        <pre id="bdb3f"></pre>
                        <pre id="bdb3f"><del id="bdb3f"><thead id="bdb3f"></thead></del></pre>

                        <ruby id="bdb3f"><mark id="bdb3f"></mark></ruby><ruby id="bdb3f"></ruby>
                        <pre id="bdb3f"><pre id="bdb3f"><mark id="bdb3f"></mark></pre></pre><output id="bdb3f"></output><p id="bdb3f"></p><p id="bdb3f"></p>

                        <pre id="bdb3f"><del id="bdb3f"><progress id="bdb3f"></progress></del></pre>

                              <ruby id="bdb3f"></ruby>

                              哎呀哎呀视频在线观看