1、秒—>分鐘+秒
簡略思路:
(秒 / 60) 得到的是分鐘(minutes),
(秒%60)得到的是剩下的秒數(remainingSeconds)
import java.util.Scanner;
public class Course0716{
public static void main(String[] args){
Scanner input = new Scanner(System.in);
System.out.print("Enter a integer for seconds:");
int seconds = input.nextInt();
int minutes = seconds/60;
int remainingSeconds = seconds%60;
System.out.println(seconds+" "+"seconds is"+" "+minutes+" "
+"minutes and"+" "+remainingSeconds+" "+"seconds");
}
}
![](https://img.laitimes.com/img/9ZDMuAjOiMmIsIjOiQnIsIyZuBnLwEjN2ATMzMTM3EzNwkTMwIzLc52YucWbp5GZzNmLn9Gbi1yZtl2Lc9CX6MHc0RHaiojIsJye.png)
2.、華氏溫度(Celsius)轉換成攝氏溫度(fahrenheit)
公式:Celsius =(5 / 9)(fahrenheit - 32)
import java.util.Scanner;
public class Course0716{
public static void main(String[] args){
Scanner input = new Scanner(System.in);
System.out.print("Enter a degree in Fahrenheit:");
double fahrenheit = input.nextDouble();
double celsius = (5.0/9)*(fahrenheit-32);
System.out.print("Fahrenheit "+fahrenheit+" is "+celsius+" in Celsius");
}
}
3、将營業稅值顯示為小數點後兩位
營業稅值=購買的總額 * 0.06
import java.util.Scanner;
public class Course0716{
public static void main(String[] args){
Scanner input = new Scanner(System.in);
System.out.print("Enter purchase amount:");
double purchaseAmount = input.nextDouble();
double tax = purchaseAmount*0.06;
System.out.println("Sales tax is $"+(int)(tax*100)/100.0);
}
}