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| package org.apache.examples.impl; |
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| import org.apache.examples.Adder; |
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| import org.apache.examples.Calculator; |
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| import org.apache.examples.Divider; |
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| import org.apache.examples.Multiplier; |
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| import org.apache.examples.Subtracter; |
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| public class CalculatorImpl implements Calculator |
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| { |
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| private Adder _adder; |
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| private Subtracter _subtracter; |
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| private Multiplier _multiplier; |
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| private Divider _divider; |
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| public double add(double arg0, double arg1)
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| { |
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| return _adder.add(arg0, arg1);
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| } |
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| public double subtract(double arg0, double arg1)
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| { |
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| return _subtracter.subtract(arg0, arg1);
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| } |
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| public double multiply(double arg0, double arg1)
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| { |
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| return _multiplier.multiply(arg0, arg1);
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| } |
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| public double divide(double arg0, double arg1)
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| { |
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| return _divider.divide(arg0, arg1);
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| } |
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| public void setAdder(Adder adder)
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| { |
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| _adder = adder;
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| } |
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| public void setDivider(Divider divider)
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| { |
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| _divider = divider;
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| } |
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| public void setMultiplier(Multiplier multiplier)
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| { |
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| _multiplier = multiplier;
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| } |
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| public void setSubtracter(Subtracter subtracter)
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| { |
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| _subtracter = subtracter;
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| } |
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| } |