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public class Jb30_Interface2
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{
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//ʵ<>ֵ<EFBFBD><D6B5><EFBFBD>USB<53>ӿڹ<D3BF><DAB9><EFBFBD>
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public static void main(String[] args)
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{
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useUSB(new Upan());
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}
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public static void useUSB(USB u) //<2F>ӿ<EFBFBD><D3BF><EFBFBD><EFBFBD>͵<EFBFBD><CDB5><EFBFBD><EFBFBD>ã<EFBFBD><C3A3><EFBFBD><EFBFBD>ڽ<EFBFBD><DABD>գ<EFBFBD>ָ<EFBFBD>ӿڵ<D3BF><DAB5><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
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{
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u.open();
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u.close();
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}
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}
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interface USB
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{
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public void open();
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public void close();
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}
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class Upan implements USB
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{
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public void open()
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{
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System.out.println("<22><><EFBFBD><EFBFBD>");
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}
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public void close()
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{
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System.out.println("<22>ر<EFBFBD>");
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}
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}
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