问题
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interface Playable { void play(); } interface Bounceable { void play(); } inter
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interface A{int x = 0;}class B{int x =1;}class C extends B implements A {public void pX
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interface A{int x = 0;}class B{int x =1;}class C extends B implements A {public void pX
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interface Playable {void play();}interface Bounceable {void play();}interface Rollable
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interface Playable {void play();}interface Bounceable {void play();}interface Rollable
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以下所列的各函数首部中 正确的是()A.void play (var:Integer var b:Integer)B.void play(int a
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