Java final method

Here we have given the use of final keyword with method. An example is also provided for better understanding.

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final keyword when used with method results in final method, which cannot be overridden in subclass. final keyword is used to restrict user.

final keyword is also used with class and variable.

final method can be declared as:

public final String convertCurrency()

Example:

public class FinalDemo 
{
public final void display()
{
System.out.println("In class FinalDemo");
}
}
class A extends FinalDemo
{
public void display() // Error Final method cannot be overridden
{
System.out.println("hi");
}
}

Resource:

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