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class OldPrinter { void printText ( String s ) { ... } } interface ...
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class OldPrinter {void printText(String s) { ... }}interface NewPrinter {void print(String msg);}class PrinterAdapter implements NewPrinter {private OldPrinter oldPrinter;public void print(String msg) {oldPrinter.printText(msg);}}Which pattern is used?
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