public class CSR extends Employee
{
    String loginID;  
    String headsetType;
    String startTime;
    String endTime;
    Manager myMgr = new Manager();
    public String clocksIn()
    {
        // method tasks
        return startTime;
    }
    public String clocksOut()
    {
        // method tasks
        return endTime;
    }
    // and so on
}