Java Tutorials: Usage of 'super' keyword in Method | Constructor | Variable
'super' keyword:
When we need to access the super class method or variable, we need 'super' keyword.
Can be applied on method, class & variable
Method:
call using super.methodName() as first statement in subclass method
Variable:
For accessing super class variable:
super.variableName
i.e super.x = 5;
Constructor:
By default, sub class always calls the constructor of super class. i.e super()
If it's parameterized constructor, then you need to explicitely call the super call constructor by 'super(var)';
It should be first statement of method.
Do watch video for more info.
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