How TestNG Enabled Annotation Works In Selenium Example Program?

TestNG Enabled Annotation Works Example

How does TestNG Enabled Annotation work In Selenium Example Program?

package com.selenium.TestNG;
import org.testng.annotations.Test;
public class AlwaysRunTest 
{
   @Test(priority=0)
    public void methodfail() { 
      System.out.println("Fail Method");
    }
    @Test(dependsOnMethods="error",priority=2) 
    public void alwaysruntrue() { 
      System.out.println("Always run is true");
    }   
    @Test(enabled=true,priority=1)
   public void error()
    {
    	System.out.println("Exception Occured");
    }
}

package com.selenium.TestNG;
import org.testng.Assert;
import org.testng.annotations.Test;
public class Testng_AlwaysRun 
{
   @Test
   public void show()
   {
      System.out.println("Show Executed");
      Assert.assertFalse(2>1);
   }
   @Test(enabled=true)
   public void show1()
   {
      System.out.println("Show1 Executed");
      Assert.assertEquals("manoj", "hjg");	
   }
   @Test(dependsOnMethods="show1",alwaysRun=true) // There Is No Such Option For False
   public void show2()
   {
      System.out.println("Show2 Executed");
   }
}

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