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package swa.prakt3;
public class ArithmeticAddition extends ArithmeticOperation {
public ArithmeticAddition(ArithmeticExpression operand1,
ArithmeticExpression operand2) {
super(operand1, operand2);
operationSign="+";
}
@Override
public Number doOperation(Number op1, Number op2) {
return op1.doubleValue() + op2.doubleValue() ;
}
}
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