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13.

There are many differences between method overloading and method overriding in java. A list of differences between method overloading and method overriding are given below:

implementation*of the method that is already provided by its super class.| |2)|Method overloading is performed *within class*.|Method overriding occurs *in two classes*that have IS-A (inheritance) relationship.| |3)|In case of method overloading, *parameter must be different*.|In case of method overriding, *parameter must be same*.| |4)|Method overloading is the example of *compile time polymorphism*.|Method overriding is the example of *run time polymorphism*.| |5)|In java, method overloading can't be performed by changing return type of the method only. *Return type can be same or different*in method overloading. But you must have to change the parameter.| *Return type must be same or covariant*in method overriding.|

test cas3333

1. B

Explanation :super keyword can also be used to access the parent class constructor. One more important thing is that, ‘’super’ can call both parametric as well as non parametric constructors depending upon the situation. In case of parametric constructor, we would need to pass the parameters in the super call.

1. d) type

Explanation : A class represents an entity and hence, can be considered as a new type with properties using which we can create variables and objects.

1. d) lost

Explanation : The local variables have lifetime within the block in which they are declared. Hence on method termination, its local variables goes out of existence.

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