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1、考虑类A: public class A{ public int x=1; public void increaseBy(int n) { x=x+n; } } 以下哪个选项程序代码段输出结果不会产生4?

A.A a = new A( );a.x = 3 + a.x;System.out.print(a.x);
B.A a = new A( );a.increaseBy(2);a.increaseBy(1);System.out.print(a.x);
C.A a = new A( ){public void increaseBy (int n) {super.increaseBy(n);}};a.increaseBy(4);System.out.print(a.x);
D.A a =

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