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package swa.prakt3;
public class PrintVisitor implements Visitor {
@Override
public Number visit(ArithmeticOperation ao, Iterator it) {
System.out.print("(");
it.traverse(ao.getLeftOperand(), this);
System.out.print(ao.getOperationSign());
it.traverse(ao.getRightOperand(), this);
System.out.print(")");
return null;
}
@Override
public Number visit(ArithmeticVariable av) {
System.out.print(av.getName());
return null;
}
}
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