1.04

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Objective: Qt memory management with object trees

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Beginner

• What is a pointer?
• What is a null pointer?
• What is "on stack"?
• What is "on heap"?

Intermediate

• What is the object tree?
• How construct/destruct object trees?
• What happens when you create objects?
• What happens when you delete objects?
• What is the difference between creating objects on stack and on heap?
• What is "the dangling pointer problem"?
• Does the object tree solve "the dangling pointer problem"?
• What happens to my pointers when I delete objects?

Expert

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Course material content

The Object Tree

http://doc.qt.io/qt-5/objecttrees.html

Object and pointer persistence (??)

http://doc.qt.io/qt-5/objecttrees.html#construction-destruction-order-of-qobjects

The Dangling Pointer

https://stackoverflow.com/questions/17997228/what-is-a-dangling-pointer

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Exhaustive reference material mentioned in this topic

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