Which Of The Following Will Implicitly Create The Collection #101

 while (var i = 1; i <= 25; i++) { db.testData.insert( { x : i } ) } 

 for (var i = 1; i <= 25; i++) { db.testData.insert( { x : i } ) } 

 for (var i = 1; i <= 25; i++) { db.testData.inserts( { x : i } ) }