学习Java. 基础2 : Java项目的创建&项目结构&Java入门案例

水深无声 2023-02-24 09:00 4阅读 0赞

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# 创建项目步骤 #

### 1. 打开idea开发工具, 点击Create New Project按钮 ###

![up-fb0586bab9c62990dfcb1eeeda1879fcb24.png][]

### 2. 选中Java,然后点击Next按钮 ###

![up-7cbc4254ff1c08e01a92bb9979858e5f1f2.png][]

### 3. 勾选创建项目模板, 然后选择Java Hello World, 点击Next按钮 ###

![up-918541cf28122ff60cd4dada723ef00bb28.png][]

### 4. 输入项目名, 选择存放路径,点击Finish按钮 ###

![up-3408522753f65e682563a70fc7f348b135c.png][]

### 5. 关闭消息提示框 ###

![up-d33dbd61d2db130ced443fe1294ce3777c8.png][]

### 6. IDEA 正式编程界面开启后，右侧是程序员的代码区，用来书写各种代码来控制计算机做任何事情。 ###

![up-831a9e8ad6d6b44712dcd7d2c7d28c42507.png][]

### 7. main方法的运行 ###

![up-f1342bd61d45813c02db2d9e12892e2e433.png][]

### 8. 运行结果 ###

![up-d2dddb079f6dc8437cbc14dae809a5b8c07.png][]

### 9. 总结 ###

![up-39b91f5faba46ad763000ce76e1809e48d4.png][]

# 思考小作业 #

1.  将 public class Main 改为 public class m ，会如何？
2.  将 public static void main 改为 public static void mm，能否正常执行？
3.  若展示以下效果，如何书写代码

![up-b4482f0d70d171f2593c2f51a031ce903cd.png][]

1.  若展示以下效果，如何书写代码

![up-a1c35c7ff4fcfc467d3704552eb2b4c7521.png][]

1.  System.out.println(); System.out.print(); 以上两个代码的区别是什么？

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