Refresh Your Java - Before Java Interview
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"Runtime time polymorphism" is done using inheritance and virtual functions, this is also called "Function Overriding". For example we could override the functionality of any method of Super Class by having different implementation is subclass. See the example below "Shape.draw()" is overridden in "Reactangle.draw()" class. So please note with out "inheritance" overriding would not be possible.
public Class Shape
{
public void draw ()
{
}
}
public Class Rectangle
extends Shape {
public void draw ()
{
//Different Implementation here.
}
}
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