错误：在newpackage.Myclass类中找不到main方法，请将main方法定义为：public static void main（String [] args）

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错误：请在类newpackage.Myclass中找不到主要方法   定义主要方法：public static void main（String [] args）或a   JavaFX应用程序类必须扩展javafx.application.Application。

MyClass.java

package newpackage;

import org.openqa.selenium.By;
import org.openqa.selenium.WebDriver;
import org.openqa.selenium.firefox.FirefoxDriver;
//import javafx.application.*;
public class Myclass {
       public static void main(String[] args) {
           System.setProperty("webdriver.gecko.driver","C:\\Users \\karokiaswamy\\Documents\\Selenium_installation\\geckodriver-v0.15.0-win64)\\geckodriver.exe");
           WebDriver driver = new FirefoxDriver();
           driver.get("http://Application URL");
           driver.findElement(By.xpath("//*[@id='siteLoginTab']/form/table/tbody/tr[1]/td[1]/input")).sendKeys("USER NAME");
           driver.findElement(By.xpath("//*[@id='siteLoginTab']/form/table/tbody/tr[1]/td[2]/input")).sendKeys("Password");
           driver.findElement(By.xpath("//*[@id='siteLoginTab]/form/table/tbody/tr[1]/td[3]/input")).click();
           driver.findElement(By.xpath(".//*[@id='siteLoginTab']/form/table/tbody/tr[1]/td[2]/input")).sendKeys(" ");
           driver.findElement(By.xpath(".//*[@id='siteMain']/div[1]/div/form/table/tbody/tr[3]/td/input")).click();
           driver.findElement(By.xpath(".//*[@id='siteMain']/div[1]/div/form/table/tbody/tr[3]/td/input")).click();
   }
}