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package net.sven_eisenhauer.swa_prakt1;
public abstract class ArithmeticOperation implements ArithmeticExpression{
protected ArithmeticExpression operand1;
protected ArithmeticExpression operand2;
protected String operationSign;
public ArithmeticOperation(ArithmeticExpression operand1
,ArithmeticExpression operand2){
this.operand1 = operand1;
this.operand2 = operand2;
}/*
@Override
public void print() {
System.out.print("(");
operand1.print();
System.out.print(operationSign);
operand2.print();
System.out.print(")");
}*/
public String getOperationSign() {
return operationSign;
}
public ArithmeticExpression getLeftOperand() {
return operand1;
}
public ArithmeticExpression getRightOperand() {
return operand2;
}
public abstract Number doOperation(Number opLeft, Number opRight);
}
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