V1

.idea/.gitignore

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+# Default ignored files
+/shelf/
+/workspace.xml

.idea/computer1.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://$MODULE_DIR$" isTestSource="false" />
+    </content>
+    <orderEntry type="inheritedJdk" />
+    <orderEntry type="sourceFolder" forTests="false" />
+  </component>
+</module>

.idea/misc.xml

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+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="ProjectRootManager" version="2" languageLevel="JDK_1_8" default="true" project-jdk-name="1.8 (2)" project-jdk-type="JavaSDK">
+    <output url="file://$PROJECT_DIR$/out" />
+  </component>
+</project>

.idea/modules.xml

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+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="ProjectModuleManager">
+    <modules>
+      <module fileurl="file://$PROJECT_DIR$/.idea/computer1.iml" filepath="$PROJECT_DIR$/.idea/computer1.iml" />
+    </modules>
+  </component>
+</project>

.idea/vcs.xml

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+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="VcsDirectoryMappings">
+    <mapping directory="" vcs="Git" />
+  </component>
+</project>

computer.java

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+import java.util.Scanner;
+
+public class computer {
+
+    // 将任意进制数转换为十进制数  
+    public static int toDecimal(String number, int base) {
+        int decimal = 0;
+        int power = 0;
+
+        // 从字符串的末尾开始遍历  
+        for (int i = number.length() - 1; i >= 0; i--) {
+            char digit = number.charAt(i);
+            int value;
+
+            // 处理0-9的数字字符  
+            if (digit >= '0' && digit <= '9') {
+                value = digit - '0';
+            }
+            // 处理A-F（或a-f）的十六进制字符  
+            else if (digit >= 'A' && digit <= 'F') {
+                value = digit - 'A' + 10;
+            } else if (digit >= 'a' && digit <= 'f') {
+                value = digit - 'a' + 10;
+            } else {
+                throw new IllegalArgumentException("Invalid character in number: " + digit);
+            }
+
+            // 根据当前字符的权重（即它在数中的位置）累加其值  
+            decimal += value * Math.pow(base, power);
+            power++;
+        }
+
+        return decimal;
+    }
+
+    // 将十进制数转换为任意进制数  
+    public static String fromDecimal(int decimal, int base) {
+        if (base < 2 || base > 16) {
+            throw new IllegalArgumentException("Base must be between 2 and 16");
+        }
+
+        StringBuilder number = new StringBuilder();
+
+        // 当十进制数大于0时，持续转换  
+        while (decimal > 0) {
+            int remainder = decimal % base;
+            char digit;
+
+            // 处理0-9  
+            if (remainder < 10) {
+                digit = (char) ('0' + remainder);
+            }
+            // 处理10-15（A-F）  
+            else {
+                digit = (char) ('A' + (remainder - 10));
+            }
+
+            number.insert(0, digit); // 在字符串的开头插入新的字符  
+            decimal /= base; // 更新十进制数，去掉已转换的部分  
+        }
+
+        // 如果转换后的字符串为空（即输入的十进制数为0），则返回"0"  
+        return number.length() == 0 ? "0" : number.toString();
+    }
+
+    public static void main(String[] args) {
+        Scanner scanner = new Scanner(System.in);
+
+        // 输入原始进制数和目标进制  
+        System.out.print("输入原始数字的基数（2-16）: ");
+        int originalBase = scanner.nextInt();
+
+        System.out.print("输入原始数字输入要转换的基数（2-16）: ");
+        String originalNumber = scanner.next();
+
+        System.out.print("输入要转换的基数（2-16）: ");
+        int targetBase = scanner.nextInt();
+
+        // 转换并输出结果  
+        int decimal = toDecimal(originalNumber, originalBase);
+        String convertedNumber = fromDecimal(decimal, targetBase);
+
+        System.out.println("转换后的号码是: " + convertedNumber);
+
+        scanner.close();
+    }
+}

out/production/computer1/.idea/.gitignore

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+# Default ignored files
+/shelf/
+/workspace.xml

out/production/computer1/.idea/computer1.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://$MODULE_DIR$" isTestSource="false" />
+    </content>
+    <orderEntry type="inheritedJdk" />
+    <orderEntry type="sourceFolder" forTests="false" />
+  </component>
+</module>

out/production/computer1/.idea/misc.xml

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+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="ProjectRootManager" version="2" languageLevel="JDK_1_8" default="true" project-jdk-name="1.8 (2)" project-jdk-type="JavaSDK">
+    <output url="file://$PROJECT_DIR$/out" />
+  </component>
+</project>

out/production/computer1/.idea/modules.xml

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+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="ProjectModuleManager">
+    <modules>
+      <module fileurl="file://$PROJECT_DIR$/.idea/computer1.iml" filepath="$PROJECT_DIR$/.idea/computer1.iml" />
+    </modules>
+  </component>
+</project>

out/production/computer1/.idea/vcs.xml

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+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="VcsDirectoryMappings">
+    <mapping directory="" vcs="Git" />
+  </component>
+</project>

out/production/computer1/README.md

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+# computer
+