[英]How do I use variables from this constructor in other methods in Java?
[英]How do I use Java methods correctly?
因此,我是Java的超級新手,但我正在嘗試制作一個特定於類的程序,以便可以在Java中進行游戲。 這是我的代碼:
import java.util.Scanner;
public class boxtype {
public static void main(String args[]) {
String[] melee = {"Crowbar", "Bowie Knife", "Butterfly Knife", "Knuckleduster"};
String[] pistol = {"Colt .22", "Magnum .45", "P250", "9mm Pistol"};
String[] assault = {"AK47", "M4A1", "M16", "SMG", "Mac10", "Minigun (HGE)"};
String[] shotgunsniper = {"Shotgun", "Benelli S90", "Sniper Rifle"};
String[] attachments = {"Laser Sight", "Silencer", "Scope", "Auto-target"};
Scanner scan = new Scanner(System.in);
String xy = scan.nextLine();
if (xy.equals("spyclass")) {
spyClass();
}
}
private static void spyClass(String[] assault, String[] attachments, String[] pistol) {
// TODO Auto-generated method stub
System.out.println("Spy class: ");
System.out.println("Primary weapon: " + assault[2] + " + " + attachments[2]);
System.out.println("Secondary weapon: " + pistol[1] + " + " + attachments[2]);
System.out.println("");
}
}
基本上會發生什么,就是Eclipse返回一個錯誤,指出“ spyClass不適用”。 我仍在研究如何解決,但是,是的。
在調用spyClass時,您沒有通過參數
它應該是:
if (xy.equals("spyclass")) {
spyClass(assault, attachments, pistol);
}
您的spyClass
方法需要一堆參數,但是您不會給它任何參數。 這行說
spyClass();
應該像
spyClass(assault, attachments, piston);
spyClass
可能不應該是static
並且在main
方法中調用它時需要將參數傳遞給它。 spyClass(assault, attachments, pistol);
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