第二次实验课代码

添加ScannerDomo和NumberProcessor

C02 Expresion/C02 Expresion.iml

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+<?xml version="1.0" encoding="UTF-8"?>
+<module type="JAVA_MODULE" version="4">
+  <component name="NewModuleRootManager" inherit-compiler-output="true">
+    <exclude-output />
+    <content url="file://$MODULE_DIR$">
+      <sourceFolder url="file://$MODULE_DIR$/src" isTestSource="false" />
+    </content>
+    <orderEntry type="inheritedJdk" />
+    <orderEntry type="sourceFolder" forTests="false" />
+  </component>
+</module>

C02 Expresion/src/NumberProcessor.java

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+import java.util.Scanner;
+
+public class NumberProcessor {
+    public static void main(String[] args) {
+        Scanner sc = new Scanner(System.in);
+        System.out.println("请输入一个三位或四位整数");
+        int number = sc.nextInt();
+        if(number%100>0 && number%100<10){
+            while(number>0){
+                System.out.println(number%10);
+                number=number/10;
+            }
+        } else if(number<0)
+            System.out.println("请重新输入一个正整数");
+         else {
+            System.out.println("请重新输入一个三位或四位整数");
+        }
+    }
+}
+
+

C02 Expresion/src/ScannerDemo.java

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+import java.util.Scanner;
+
+public class ScannerDemo {
+    public static void main(String[] args) {
+        Scanner sc = new Scanner(System.in);
+
+        System.out.println("请输入姓名：");
+        String name = sc.next();
+
+        System.out.println("请输入年龄：");
+        int age = sc.nextInt();
+
+        System.out.println("请输入性别：");
+        char sex = sc.next().charAt(0);
+
+        System.out.println("请输入身高：");
+        double height = sc.nextDouble();
+
+        System.out.println("婚否：");
+        boolean isMarried = sc.nextBoolean();
+
+        System.out.println("姓名"+name);
+        System.out.println("年龄"+age);
+        System.out.println("性别"+(sex=='m'||sex=='M'?"男":"女"));
+        System.out.println("身高"+height);
+        System.out.println("婚否："+(isMarried?"已婚":"未婚"));
+
+    }
+}

ClassOfJava.iml

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+<?xml version="1.0" encoding="UTF-8"?>
+<module type="JAVA_MODULE" version="4">
+  <component name="NewModuleRootManager" inherit-compiler-output="true">
+    <exclude-output />
+    <content url="file://$MODULE_DIR$">
+      <sourceFolder url="file://$MODULE_DIR$/src" isTestSource="false" />
+    </content>
+    <orderEntry type="inheritedJdk" />
+    <orderEntry type="sourceFolder" forTests="false" />
+  </component>
+</module>

src/Main.java

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+public class Main {
+    public static void main(String[] args) {
+        System.out.println("Hello,World!");
+    }
+}
+