初始化项目

jinzhi.java

@@ -0,0 +1,63 @@
+import java.util.Scanner;
+
+public class jinzhi {
+
+    // 将R进制数X转换为十进制
+    private static int toDecimal(String number, int base) {
+        int decimalValue = 0;
+        int power = 1; // 当前位的权重
+
+        for (int i = number.length() - 1; i >= 0; i--) {
+            char digit = number.charAt(i);
+            int digitValue;
+
+            if (Character.isDigit(digit)) {
+                digitValue = digit - '0'; // 数字字符转为整数
+            } else {
+                digitValue = Character.toUpperCase(digit) - 'A' + 10; // 字母字符转为整数
+            }
+
+            decimalValue += digitValue * power;
+            power *= base; // 更新权重
+        }
+
+        return decimalValue;
+    }
+
+    // 将十进制数转换为S进制
+    private static String fromDecimal(int number, int base) {
+        StringBuilder result = new StringBuilder();
+
+        while (number > 0) {
+            int remainder = number % base;
+            if (remainder < 10) {
+                result.append((char) ('0' + remainder));
+            } else {
+                result.append((char) ('A' + remainder - 10));
+            }
+            number /= base;
+        }
+
+        return result.reverse().toString(); // 反转结果
+    }
+
+    // 主方法
+    public static void main(String[] args) {
+        Scanner scanner = new Scanner(System.in);
+
+        System.out.print("请输入源进制R (2-16): ");
+        int baseR = scanner.nextInt();
+
+        System.out.print("请输入需要转换的数X (R进制): ");
+        String numberX = scanner.next();
+
+        System.out.print("请输入目标进制S (2-16): ");
+        int baseS = scanner.nextInt();
+
+        // 转换过程
+        int decimalValue = toDecimal(numberX, baseR);
+        String result = fromDecimal(decimalValue, baseS);
+
+        System.out.println("转换结果: " + result);
+    }
+}