[英]Error - ''Main method not found in class Node, please define the main method as…" in the following code:
[英]How to fix the following error: “Error: Main method not found in class”
我本質上不是Java新手,為了娛樂,我正在創建一個Stock Simulator / Game。 我知道我的代碼不是“完美的”,但請記住我是新手,並且有1個錯誤。
“錯誤:在類StockPackage.Dog中找不到主要方法,請將主要方法定義為:public static void main(String [] args)”
我看了所有可以找到的參數和參數教程,並搜索了StackOverflow的Questions,但是找不到解決方案。
如果可以的話,有人可以提出一種“刪除/修復”錯誤的方法,還是盡可能地幫助我。 提前致謝!
我的代碼:
package StockPackage;
import java.util.Scanner;
public class Dog {
public static void main(String[] args, int CurMoney, String[] inputStocks,
int[] StockMoney) {
Dog Run = new Dog();
Run.MainScript();
Run.OptionStartingMethod(inputStocks, CurMoney, StockMoney);
}
//==============================================================================
// ||Objects||
void options(String[] inputStocks, int CurMoney, int[] StockMoney) {
String optionEXIT, optionStartStock, optionBuyStock, optionSellStock;
String optionCheat, optionInfo, optionCredits, optionClose, OptionInput;
int i, j, k;
Scanner optionInput = new Scanner(System.in);
Dog FlixSibling = new Dog();
System.out.println("=============| Options | =============");
System.out.println(" optionEXIT " + " optionStartStock " + "optionBuyStock");
System.out.println(" optionSellStock " + " optionCheat " + " OptionInfo ");
System.out.println(" optionCredits " + " optionClose " + " optionCheckCash");
System.out.println();
System.out.print("==| ");
OptionInput = optionInput.nextLine();
if(OptionInput.equals("optionEXIT")) {
FlixSibling.Close();
} else if(OptionInput.equals("optionStartStock")) {
StartStock(inputStocks, StockMoney, CurMoney);
} else if(OptionInput.equals("optionBuyStock")) {
} else if(OptionInput.equals("optionSellStock")) {
} else if(OptionInput.equals("optionCheat")) {
} else if(OptionInput.equals("optionInfo")) {
} else if(OptionInput.equals("optionCredits")) {
} else if(OptionInput.equals("optionClose")) {
optionClose1(inputStocks, CurMoney, StockMoney);
}
}
//==============================================================================
// ||Option Holders||
void optionClose1(String[] inputStocks, int CurMoney, int[] StockMoney) {
int i, j, k;
for(i = 0; i <= 25; i++) {
System.out.println();
}
MainScript();
for(i = 0; i <= 3; i++) {
System.out.println();
}
}
void OptionStartingMethod(String[] inputStocks, int CurMoney, int[] StockMoney) {
Scanner InputBoard1 = new Scanner(System.in);
String Options;
System.out.println();
System.out.println("Option: Press 'P'");
Options = InputBoard1.nextLine();
if(Options.equals("P")) {
options(inputStocks, CurMoney, StockMoney);
}
}
//==============================================================================
// ||StartStock Method||
void StartStock(String[] inputStocks, int[] StockMoney, int CurMoney) {
Dog StartStocking = new Dog();
String Answer;
String name, price;
int CurCash;
Scanner StartingStockInput = new Scanner(System.in);
System.out.println();
System.out.println("Do you Wish to create a Stock? (y/n)");
Answer = StartingStockInput.nextLine();
if(Answer.equals("y")) {
System.out.println("$15000 Has been taken out of your Account");
CurMoney -= 15000; // for Creating the Stock
System.out.println("Name| ");
name = StartingStockInput.nextLine();
System.out.println("input Amount of Cash| ");
CurCash = StartingStockInput.nextInt();
if(CurCash > CurMoney) {
CurCash = CurMoney;
}
MainScript();
} else if(Answer.equals("n")) {
optionClose1(inputStocks, CurMoney, StockMoney);
}
}
//==============================================================================
// ||Close Method||
void Close() {
System.out.println();
System.out.println();
System.out.println("You Exit'ed out of Stock market SIM");
}
//==============================================================================
// ||Main Method||
void MainScript() {
System.out.println("Welcome to the Stock Market");
// ||Variables||
int StockPercent;
int CurMoney;
String Options;
CurMoney = 64000;
String Place, Place1, Place2;
Place = "0";
Place1 = ",000";
Place2 = ",000,000";
String nothing = "|Under Construction|";
int i, j, k;
Dog Flix = new Dog();
boolean Construction = false;
int[] StockMoney;
StockMoney = new int[500];
String[] inputStocks;
inputStocks = new String[200]; // Used for storing the inputed Stocks
// 50 And Above are used for Creating Stocks
String per = "%";
inputStocks[0] = "Google";
StockMoney[50] = 0;
StockMoney[0] = 400000000; // Using the 2 bit 000's for the millions place;
inputStocks[2] = "MicroSoft";
StockMoney[51] = 0;
StockMoney[1] = 250000000;
inputStocks[4] = "Yahoo";
StockMoney[52] = 0;
StockMoney[2] = 100000000;
inputStocks[6] = "Cheeez It's";
StockMoney[53] = 0;
StockMoney[3] = 50000;
// ||input From User||
Scanner InputBoard = new Scanner(System.in);
// ||Output From Program||
System.out.println("[]---------------| Stocks |---------------[]");
System.out.println(inputStocks[0] + " " + StockMoney[0] + " " + StockMoney[50] + per);
System.out.println(inputStocks[2] + " " + StockMoney[1] + " " + StockMoney[51] + per);
System.out.println(inputStocks[4] + " " + StockMoney[2] + " " + StockMoney[52] + per);
System.out.println(inputStocks[6] + " " + StockMoney[3] + " " + StockMoney[53] + per);
System.out.println();
System.out.println();
if(Construction) {
System.out.println(nothing);
System.out.println(nothing);
System.out.println(nothing);
System.out.println(nothing);
System.out.println(nothing);
System.out.println(nothing);
System.out.println(nothing);
System.out.println(nothing);
}
}
}
您的main方法與通常啟動Java應用程序的標准main方法的簽名不匹配。 您的參數太多了,應該只有一個參數,即String數組。
因此,您必須更改此設置:
// incorrect main method signature
public static void main(String[] args, int CurMoney, String[] inputStocks, int[] StockMoney) {
對此:
// correct main method signature
public static void main(String[] args) {
並以某種方式(例如從文件中)獲取所需的所有信息?
JVM只知道以下main方法格式,
public static void main(String[] args)
{
}
main關鍵字是保留關鍵字,因此您不能將其用於其他目的(例如多個參數)。
您無法更改public static void main方法,因此您必須以正確的方式放置
public static void main(String[] args) {
int CurMoney;//fill the varible
String[] inputStocks;//fill the Array
int[] StockMoney;//fill the Array
Dog Run = new Dog();
Run.MainScript();
Run.OptionStartingMethod(inputStocks, CurMoney, StockMoney);
}
rest of the code you have...
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