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(单选题)13: class A
{public int getNumber(int a){return a+1;}}
class B extends A
{public int getNumber(int a, char c){return a+2;}
public static void main(String[] args)
{B b=new B();System.out.println(b.getNumber(0));}
}
what is the result?
A: compilation succeeds and 1 is printed
B: compilation succeeds and 2 is printed
C: compilation succeeds and 3 is printed
D: An error at this program cause compilation to fail
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