-5
我希望年齡乘以3這裏是我的代碼要求用戶輸入姓名和年齡............... ................................我如何打印年齡乘以3
import java.util.Scanner;
class Lab1Part4 {
public static void main (String [] args) {
Scanner user_input =
int tripleAge;
String printMyName;
String firstName;
String secondName;
System.out.println("Please enter your first name ? ");
firstName = user_input.next();
System.out.println("Please enter your second name? ");
secondName = user_input.next();
printMyName = firstName + " " + secondName;
System.out.println(printMyName);
System.out.println("Enter your age ? ");
tripleAge = user_input.nextInt();
}// end class
} //結束主
你不明白該怎麼做?打印一個值?將數字乘以3? – azurefrog
這是什麼問題? – Jens