|
|
import java.util.Scanner;
|
|
|
|
|
|
public class demo {
|
|
|
|
|
|
// 将R进制数转换为10进制
|
|
|
public static int toDecimal(String number, int base) {
|
|
|
return Integer.parseInt(number, base);
|
|
|
}
|
|
|
|
|
|
// 将10进制数转换为R进制数
|
|
|
public static String fromDecimal(int number, int base) {
|
|
|
StringBuilder sb = new StringBuilder();
|
|
|
while (number > 0) {
|
|
|
int remainder = number % base;
|
|
|
// 对于大于9的数字，用字母表示
|
|
|
if (remainder >= 10) {
|
|
|
sb.append((char) ('A' + remainder - 10));
|
|
|
} else {
|
|
|
sb.append(remainder);
|
|
|
}
|
|
|
number /= base;
|
|
|
}
|
|
|
return sb.reverse().toString(); // 反转字符串以得到正确的顺序
|
|
|
}
|
|
|
|
|
|
public static void main(String[] args) {
|
|
|
Scanner scanner = new Scanner(System.in);
|
|
|
|
|
|
// 输入源进制和目标进制
|
|
|
System.out.print("请输入进制: ");
|
|
|
int sourceBase = scanner.nextInt();
|
|
|
System.out.print("请输入目标进制: ");
|
|
|
int targetBase = scanner.nextInt();
|
|
|
|
|
|
// 输入源进制数
|
|
|
System.out.print("请输入进制数字: ");
|
|
|
String sourceNumber = scanner.next();
|
|
|
|
|
|
// 转换过程
|
|
|
int decimalValue = toDecimal(sourceNumber, sourceBase);
|
|
|
String targetNumber = fromDecimal(decimalValue, targetBase);
|
|
|
|
|
|
// 输出结果
|
|
|
System.out.printf("转换结果: %s(%d) -> %s(%d)\n", sourceNumber, sourceBase, targetNumber, targetBase);
|
|
|
|
|
|
scanner.close();
|
|
|
}
|
|
|
}
|
