20 Programming DelphiInterview Questions
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What is the function of Dynamic arrays?
Community Answers
- "Set the size of array at run time."
- "Dynamic arrays are used when arrays whose size evolves in runtime are needed."
- "To automatically define or redefine the size of an array at execution time."
- "Store unknown(variable) QUANTITY of values."
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Why should we hire you?
Community Answers
- "I learn very quickly - and I have great research capability."
- "Because I know how to program in Delphi, I am hard-working, good with problem solving, keen on getting better everyday."
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Tell me about your education?
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What is the use of unit interface section of Delphi?
Community Answers
- "Interface holds methods or classes."
- "Interface section is where the types of the unit are declared."
- "It is used to declare the variables and methods that are to be used by other units."
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What are the different ways of defining array sizes?
Community Answers
- "Numerical index or ranges of strings."
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What is the procedure to access the database from Delphi?
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Where did the Delphi language come from? Who created it and why?
Community Answers
- "It comes from Pascal. Anders created it by adding Object Oriented Programming concept to it."
- "Comes from Turbo Pascal, created by Anders Hejlsberg from Borland, as a general purpose language for Windows."
- "It has come from Pascal, Pascal was a training language created by Borland."
- "Delphi language came from pascal. Anders created it to support object oriented and structured design."
- "It came from me. I created it because I was bored."
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What is the default extension of file when we create user components?
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What is your greatest strength as a programmer?
Community Answers
- "Finding cost effective solutions."
- "Good problem solving skill."
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Explain to a ten year old what the Delphi language does.
Community Answers
- "Delphi language helps to develop window based applications."
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What is the history of Delphi?
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What operating systems does Delphi support?
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What is Delphi?
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What is your greatest weakness as a programmer? What are you doing to improve it?
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What are the problems faced by memory leaks?
Community Answers
- "I shows that not all the objects were properly destroyed before terminating the program."
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What are the different types of inheritances present in Delphi?
Community Answers
- "Abstract, Interface, Specialization,"
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How do abstract classes differ from Interfaces?
Community Answers
- "An Abstract class must be used to qualify a virtual class."
- "Abstract classes inherit functions from parent classes and can call other classes while interfaces can't call any other interface and interface holds many classes."
- "A class will inherit the abstract class and override the methods needed. The class can only inherit one base class. A class will implement the Interface. A class can implement several interfaces."
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What are the different types of pointers used in Delphi?
Community Answers
- "Character byte type-checked standard."
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Why programming?
Community Answers
- "Because I wanted to know how to make video games."
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What are the types of arrays handled by Delphi?
Community Answers
- "Day array fixed index or abstract and sub ranges."
- "STATIC, DYNAMIC, CONstant, open, multdimesional."