由于某种原因，这种转换真的让我很困惑。我可以在纸上和脑子里进行转换，但是当我尝试用 Java 编写作业时，这真的让我很困惑。任务是让用户输入一个以千克为单位的数字，并编写一个程序，该程序表示一条线上有多少磅，另一线上有多少盎司。一般来说，转换让我很困惑，但我不确定这是否正确。我需要在任何地方使用类型转换吗？
import acm.program.*;
public class KilogramsToPoundsAndOunces extends ConsoleProgram {
public void run(){
println("This programs converts kilograms into pounds and ounces.");
double kilo = readDouble("Enter the kilogram value: ");
double totalOunces = (kilo * POUNDS_PER_KILOGRAM) * OUNCES_PER_POUND;
int totalPounds = totalOunces % OUNCES_PER_POUND;
double leftOverOunces = totalOunces - (totalPounds * OUNCES_PER_POUND);
println(totalPounds + "lbs" + ".");
println(leftOverOunces + "ozs" + ".")
}
private static void POUNDS_PER_KILOGRAM = 2.2;
private static void OUNCES_PER_POUND = 16;
}
最佳答案
您需要为常量定义数字数据类型:
private static double POUNDS_PER_KILOGRAM = 2.2;
private static int OUNCES_PER_POUND = 16;
此外，totalPounds 需要转换为 int 进行编译:
int totalPounds = (int) (totalOunces % OUNCES_PER_POUND);
虽然这应该是:
int totalPounds = (int) (totalOunces / OUNCES_PER_POUND);
(参见@Kleanthis 答案)
关于java - 需要帮助将公斤转换为磅和盎司，我们在Stack Overflow上找到一个类似的问题： https://stackoverflow.com/questions/12964880/