Delphi Developer Test to assess a candidate’s Delphi skills for your organization

The Mercer | Mettl Delphi Developer Test measures a candidate's understanding of both foundational and advanced Delphi concepts. It assesses areas such as programming techniques, syntax, use of integrated development environments, and database programming. Designed primarily for professionals with two to five years of experience, the test examines their ability to develop reliable desktop applications, client-server solutions, and multi-tier software systems. 

What is the importance of the Delphi Online Test? 

Delphi is a versatile programming tool that combines object-oriented paradigms with an integrated development environment, supporting applications on both Windows and Linux platforms. Skilled Delphi developers contribute across all stages of the software development lifecycle. This online test helps verify candidates' proficiency of Delphi development as well as their capacity for strategic technical planning. 

How can the Delphi Online Test help you hire?

The Delphi test provides recruiters with a clear picture of candidates' technical strengths and readiness for the role. It functions as an effective screening mechanism to pinpoint applicants whose abilities align well with the job's requirements. Developed with input from expert practitioners, the test reflects real-world expectations and ensures accurate assessment of professional competence.

What roles can you assess using this test?

• Delphi developer: A Delphi developer builds and maintains software applications using the Delphi programming language. This role requires writing efficient code and also debugging errors. The developer collaborates with team members to understand project needs and integrates external systems or APIs to enhance functionality.   
• Senior Delphi developer: A senior Delphi developer creates intricate application designs and offers technical guidance to development teams. They examine the quality of code, guide junior developers, and solve complicated issues that impact system stability. The job entails optimizing database operations and collaborating with testing and deployment teams to ensure the successful delivery of projects. 
• Delphi software engineer: A Delphi software engineer converts comprehensive requirements into solid software modules. The engineer deploys new capabilities, optimizes current code for performance, and documents technical decisions. In close coordination with product managers and QA engineers, the engineer validates software correctness and performance, responding quickly to shifting project objectives.

Sample questions and answers for Delphi Online Assessment

1. Name the keyword used to instantiate or initialize a new object of a class in Delphi?  

A. Init  

B. New  

C. Create  

D. Construct  

Answer- C. Create 

2. Name the component that serves as the primary link for connecting and interacting with a database in Delphi's FireDAC library.  

A. TADOConnection  

B. TFDConnection  

C. TDatabase  

D. TSQLConnection  

Answer- B. TFDConnection 

3. With Delphi's ARC memory management, which category of objects is handled automatically, eliminating the need for explicit freeing?  

A. Objects instantiated via Create  

B. Records  

C. Interface references  

D. Pointer variables  

Answer- C. Interface references