Question
Method overriding is an example of which type of
polymorphism?Solution
Method overriding (a subclass providing a specific implementation for a method that is already defined in its superclass) is resolved at runtime. The actual method called depends on the type of the object, not the type of the reference variable. This is also known as dynamic polymorphism.
Which of the following isotope of hydrogen is radioactive in nature?
The anode of the lead-storage battery is made up of which of the following metal?
Which of the following apparatus is used to test the acidity of the aqueous solution?
Plants absorb dissolved nitrates from soil and convert them into
A radioactive substance emits?
The speed of light with the rise in the temperature of the medium :
Which of the following organic compounds undergo nucleophilic substitution reaction most easily?
The conversion of hard water into soft water by boiling or adding calcium hydroxide is called:
Acid reacts with metal to form salt and liberates _________ gas.
When cathode rays strike a target of high atomic weight, they give rise to:
