KwickClips Java · 39 sec · free
What are the two jobs of super?
Short answer. Calling the parent constructor, and calling the parent's version of a method.
Where must super() appear?
As the very first statement in the constructor.
Remember
| super(): parent constructor |
| super.m(): parent method |
The word super has two jobs. Do you know both? Super with brackets calls the parent constructor. It must be the first line. Super dot info calls the parent method. Super brackets calls the constructor. Super dot calls the method.
This clip is from the full lesson: Inheritance in Java: extends, super and Method Overriding — 8 minutes, with the tables, the quick answers and the whole lesson in text.
Useful for: CBSE Class 10 Computer Applications (165), ICSE Class 9 Computer Applications, ISC Class 12 Computer Science (868), ISC Class 12 Computer Science (868)
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