有//告诉我需要帮助。所以我采取了用户输入,现在我试图用另一种方法打印输入。我的数组的内容必须打印出来。对象和类。如何使用for循环打印用户输入?
import java.util.Scanner;
public class Running_Calcs {
public static void main(String[] args) {
Scanner kbd = new Scanner(System.in);
final int MAX_RUNNERS = 4;
banner();
Runner[] ar = new Runner[MAX_RUNNERS];
// This is an array for user input. Getter and setter are already set for name,distance,time.
for (int i = 0; i < ar.length; i++) {
System.out.println("\nInformation for runner 1/3");
System.out.print("Name: ");
String name = kbd.next();
System.out.print("Miles: ");
double distance = kbd.nextDouble();
System.out.print("Minutes: ");
int time = kbd.nextInt();
}
kbd.close();
}
public static void printRunners(Runner[] ar) {
for (int i = 0; i < ar.length; i++) {
System.out.println("First Print of runners");
System.out.println("-----------------------");
System.out.println(ar[i]);
}
banner();
}
// I am trying to print the info from the array in this method. I don't know how.
//Along with that , I am trying to print the pace and Temp which I already have in my other class.
private static void banner() {
System.out.println("---------------------------");
System.out.println("Track runner info and pace\nGustavo Bruno");
System.out.println("---------------------------");
}
}
如果你有getters和setter,你为什么不使用它们? –
我必须在PrintRunners方法中调用它们吗? –
您必须在循环的每次迭代中实例化一个新的runner,使用您拥有的setter方法设置其属性,并将该实例存储在数组中。在printRunners方法中,你必须为每个跑步者调用相应的getter方法。 – RubioRic