>
Here is the class where i need unit test

    public class extCtrlEx 
    {

    private final account acc;
    public extCtrlEx(ApexPages.StandardController controller) {
    this.acc=(account)controller.getRecord();
    }
    public string getGreetings(){
    return 'Hello '+acc.name ;
    }
    public void display(){}

    }

>I tried unit test it populates error like Compile Error: Constructor not defined: [extCtrlEx].<Constructor>() plz help to resolve the issue.


    @isTest

    public class extCtrlEx_TC

    {

    static testMethod void testMthd()
    {
    Account acc=new Account();
    //  extCtrlEx ece=new extCtrlEx ();

    //    ece.display();

    //    ece.getGreetings();

    }
    }