TestNG Parametrisation – dataProvider

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package annotationpkg;
import org.testng.annotations.DataProvider;
import org.testng.annotations.Test;
public class dataprovider {
     @DataProvider(name = "data-provider")
     public Object[][] dataProviderArr() {
     //Create 2 diemensional array
     //can even take the data from an excel sheet or from a Map 
     //and put it into this array variable
         String object[][] = { { "user1", "1234" }, { "user2", "5678" } };
         return object;
     }
     @Test(dataProvider = "data-provider")
     public void fn_Credentials(String userName, String password) {
         System.out.print("UserName is: " + userName);
         System.out.print(" | ");
         System.out.println("Password is: "+ password);
     }
}
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public class dataProviderArray{
   @DataProvider(name = "data-provider")
   public Object[][] dataProviderArr() {
     //Create 2 diemensional array
     //can even take the data from an excel sheet or from a Map 
     //and put it into this array variable
     Object[][] obj= { { "user1", "1234" }, { "user2", "5678" } };
     return obj;
   }
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package annotationpkg;
import org.testng.annotations.DataProvider;
import org.testng.annotations.Test;
public class dataprovider {
      
   @Test(dataProvider = "data-provider", dataProviderClass = dataProviderArray.class)
   public void fn_Credentials(String userName, String password)    {
        System.out.print("UserName is: " + userName);
        System.out.print(" | ");
        System.out.println("Password is: "+ password);
   }
}
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<xml version="1.0" encoding="utf-8"?>
<Suite name="MySuite" parallel="none">
<test name="Test1">
    <CLasses>
        <class name="annotationpkg.dataprovider"/>
    </classes>
</test>
</suite> 
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