Java课程设计:高分通过的FlappyBird游戏实现

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资源摘要信息:"java大作业:简单的FlappyBird游戏.zip" 该资源为一个Java语言编写的FlappyBird游戏项目,适合作为计算机相关专业学生的课程设计、毕业设计或是其他编程学习的实践项目。以下是详细的知识点: 1. Java语言基础:该游戏项目基于Java语言开发,因此涉及到Java的基本语法、数据类型、控制结构、数组、类和对象等基础知识点。Java是一种面向对象的编程语言,强调封装、继承和多态等概念,这些在开发过程中都可能会用到。 2. Java图形用户界面(GUI)编程:项目使用Java Swing或JavaFX等图形库来创建游戏的图形用户界面。这些库提供了丰富的组件,如窗口(JFrame)、按钮(JButton)、标签(JLabel)等,以构建交互式界面。开发人员需要掌握如何布局组件、响应用户输入和事件处理。 3. 游戏逻辑实现:FlappyBird游戏的核心是实现一个鸟角色在屏幕上飞行,并能够响应用户的点击事件来上升。这涉及到物理引擎的基本概念,如重力、碰撞检测、分数计算等。开发者需要理解如何在游戏中模拟这些物理行为。 4. 事件驱动编程:在图形界面的编程中,用户的操作(如点击、按键)都会产生事件,而程序需要对此类事件做出响应。事件驱动编程模式是GUI编程的核心部分,开发者需了解事件监听器(Listener)和事件处理机制。 5. 游戏循环和动画:为了实现流畅的游戏体验,开发者需要创建游戏循环来不断更新游戏状态和渲染画面。这通常涉及到多线程编程和定时器的使用,以实现平滑的动画效果。 6. 资源管理:在游戏项目中,除了代码的编写,还需要处理游戏资源,如图片、音效等。开发者需要了解如何在Java项目中管理和加载这些资源,确保游戏运行时能够正确显示图像和播放声音。 7. 文件操作:游戏可能需要保存玩家的得分和设置选项等数据,因此涉及文件的读写操作。开发者需要掌握Java中的I/O流,以及如何使用文件进行数据的持久化存储。 8. 代码测试与调试:上传的代码都经过测试运行,开发者应该理解测试的重要性和方法,以及如何调试代码找到并解决潜在的bug。 9. 开源许可与尊重知识产权:开发者在使用该资源时,应遵循开源协议的规定,并且尊重原创者的劳动成果。严禁将该项目用于商业目的。 标签"java 小游戏 毕业设计 课程设计"指向了该资源的主要用途和学习目标,强调了Java在游戏开发和教学中的应用。下载资源后,阅读README.md文件将有助于了解项目结构和使用方法,但是请记住,该资源仅供学习和研究使用,禁止商业用途。 通过学习和修改该项目,计算机相关专业的学生、老师或企业员工可以提高编程技能,加深对Java编程和游戏开发流程的理解。对于初学者,这是一个非常好的入门项目,可以通过修改和扩展功能来逐步提高编程能力。

2023-06-02 23:12:37 WARN NativeCodeLoader:60 - Unable to load native-hadoop library for your platform... using builtin-java classes where applicable Setting default log level to "WARN". To adjust logging level use sc.setLogLevel(newLevel). For SparkR, use setLogLevel(newLevel). Traceback (most recent call last): File "mysqlTest.py", line 12, in <module> jdbcDF=spark.read.format("jdbc").option("url","jdbc:mysql://localhost:3306/sparktest?useSSL=false").option("driver","com.mysql.cj.jdbc.Driver").option("dbtable","employee").option("user", "root").option("password", "123456").load() File "/usr/local/spark/python/pyspark/sql/readwriter.py", line 172, in load return self._df(self._jreader.load()) File "/usr/local/spark/python/lib/py4j-0.10.7-src.zip/py4j/java_gateway.py", line 1257, in __call__ File "/usr/local/spark/python/pyspark/sql/utils.py", line 63, in deco return f(*a, **kw) File "/usr/local/spark/python/lib/py4j-0.10.7-src.zip/py4j/protocol.py", line 328, in get_return_value py4j.protocol.Py4JJavaError: An error occurred while calling o31.load. : java.lang.ClassNotFoundException: com.mysql.cj.jdbc.Driver at java.net.URLClassLoader.findClass(URLClassLoader.java:381) at java.lang.ClassLoader.loadClass(ClassLoader.java:424) at java.lang.ClassLoader.loadClass(ClassLoader.java:357) at org.apache.spark.sql.execution.datasources.jdbc.DriverRegistry$.register(DriverRegistry.scala:45) at org.apache.spark.sql.execution.datasources.jdbc.JDBCOptions$$anonfun$5.apply(JDBCOptions.scala:99) at org.apache.spark.sql.execution.datasources.jdbc.JDBCOptions$$anonfun$5.apply(JDBCOptions.scala:99) at scala.Option.foreach(Option.scala:257) at org.apache.spark.sql.execution.datasources.jdbc.JDBCOptions.<init>(JDBCOptions.scala:99) at org.apache.spark.sql.execution.datasources.jdbc.JDBCOptions.<init>(JDBCOptions.scala:35) at org.apache.spark.sql.execution.datasources.jdbc.JdbcRelationProvider.createRelation(JdbcRelationProvider.scala:32) at org.apache.spark.sql.execution.datasources.DataSource.resolveRelation(DataSource.scala:318) at org.apache.spark.sql.DataFrameReader.loadV1Source(DataFrameReader.scala:223) at org.apache.spark.sql.DataFrameReader.load(DataFrameReader.scala:211) at org.apache.spark.sql.DataFrameReader.load(DataFrameReader.scala:167) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:498) at py4j.reflection.MethodInvoker.invoke(MethodInvoker.java:244) at py4j.reflection.ReflectionEngine.invoke(ReflectionEngine.java:357) at py4j.Gateway.invoke(Gateway.java:282) at py4j.commands.AbstractCommand.invokeMethod(AbstractCommand.java:132) at py4j.commands.CallCommand.execute(CallCommand.java:79) at py4j.GatewayConnection.run(GatewayConnection.java:238) at java.lang.Thread.run(Thread.java:748)

2023-06-03 上传

org.eclipse.aether.resolution.ArtifactResolutionException: Failure to find jre:jre:zip:call:1.0.0-SNAPSHOT in http://download.eclipse.org/recommenders/models/oxygen/ was cached in the local repository, resolution will not be reattempted until the update interval of models has elapsed or updates are forced at org.eclipse.aether.internal.impl.DefaultArtifactResolver.resolve(DefaultArtifactResolver.java:453) at org.eclipse.aether.internal.impl.DefaultArtifactResolver.resolveArtifacts(DefaultArtifactResolver.java:255) at org.eclipse.aether.internal.impl.DefaultArtifactResolver.resolveArtifact(DefaultArtifactResolver.java:232) at org.eclipse.aether.internal.impl.DefaultRepositorySystem.resolveArtifact(DefaultRepositorySystem.java:303) at org.eclipse.recommenders.models.ModelRepository.resolveInternal(ModelRepository.java:193) at org.eclipse.recommenders.models.ModelRepository.resolve(ModelRepository.java:172) at org.eclipse.recommenders.internal.models.rcp.EclipseModelRepository.resolve(EclipseModelRepository.java:168) at org.eclipse.recommenders.internal.models.rcp.DownloadModelArchiveJob.run(DownloadModelArchiveJob.java:76) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:56) Caused by: org.eclipse.aether.transfer.ArtifactNotFoundException: Failure to find jre:jre:zip:call:1.0.0-SNAPSHOT in http://download.eclipse.org/recommenders/models/oxygen/ was cached in the local repository, resolution will not be reattempted until the update interval of models has elapsed or updates are forced at org.eclipse.aether.internal.impl.DefaultUpdateCheckManager.newException(DefaultUpdateCheckManager.java:240) at org.eclipse.aether.internal.impl.DefaultUpdateCheckManager.checkArtifact(DefaultUpdateCheckManager.java:215) at org.eclipse.aether.internal.impl.DefaultArtifactResolver.gatherDownloads(DefaultArtifactResolver.java:594) at org.eclipse.aether.internal.impl.DefaultArtifactResolver.performDownloads(DefaultArtifactResolver.java:512) at org.eclipse.aether.internal.impl.DefaultArtifactResolver.resolve(DefaultArtifactResolver.java:430) ... 8 more

2023-07-12 上传