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Method Overriding - Run Time Polymorphism
When a child class (sub class ) has the same method name as declared in parent class then those method are called as the override method . In overriding parent class method is called as " overridden method"
and child class method is called as the "overriding method ".
Example of method overriding
When a child class (sub class ) has the same method name as declared in parent class then those method are called as the override method . In overriding parent class method is called as " overridden method"
and child class method is called as the "overriding method ".
Example of method overriding
class Teacher
{
void exam()
{
System.out.println("Exam will on next monday");
}
}
class Student extends Teacher
{
void exam()
{
System.out.println("Chang the Exam schedule");
}
public static void main(String args[])
{
Student std = new Student();
std.exam();
}
}
Output :
Change the exam schedule
Method Overriding Rules
There are some rules which must be follow while overriding .
Method Overriding Rules
There are some rules which must be follow while overriding .
- Method signature (parameter list) of both parent and child class must be same .
- Method name of both parent and child class must be same .
- The return type of child method and parent method must be same as primitive level.
Hope !! The above Lesson of Method Overriding helpful for you ...
Thank You !
Sandeep Yadav
Tags : Overriding in java , method overriding example in java , rule of method overriding , method overriding in java
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