java - selenium cannot run on eclipse -

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• eclipse error, “the selection cannot launched, , there no recent launches” [duplicate] 2 answers

package com.confirm;   import org.openqa.selenium.alert;   import org.openqa.selenium.by;   import org.openqa.selenium.webdriver;   import org.openqa.selenium.firefox.firefoxdriver;   import org.testng.annotations.test;   public class confirmdemo {     webdriver driver = new firefoxdriver();     @test     public void exampleforconfrim() throws interruptedexception {      driver.manage().window().maximize();      driver.get("file:///c:/confirm.html");      thread.sleep(2000);      driver.findelement(by.xpath("//button[@onclick='confirmfunction()']"));      alert alert=driver.switchto().alert();      system.out.println(alert.gettext());      alert.dismiss();      driver.close();  } } 

this first selenium program. type code in eclipse , add external jar files selenium, when run eclipse says :

the selection cannot launch, , there no recent launches.

how solve this?

it looks issue has more eclipse selenium, check out this question , it's answer.