JAVA程序编写一个Java程序
computer。jsp
size=6>
+
-
*
/
size=6>
=
ComputerBean。 java
package 04;
public class ComputerBean
{ double numberOne,numberTwo,result;
String operator="+";
public void setNumberOne(double n)
{ numberOne=n;
}
public double getNumberOne()
{ return numberOne;
}
public void setNumberTwo(double n)
{...全部
computer。jsp
size=6>
+
-
*
/
size=6>
=
ComputerBean。
java
package 04;
public class ComputerBean
{ double numberOne,numberTwo,result;
String operator="+";
public void setNumberOne(double n)
{ numberOne=n;
}
public double getNumberOne()
{ return numberOne;
}
public void setNumberTwo(double n)
{ numberTwo=n;
}
public double getNumberTwo()
{ return numberTwo;
}
public void setOperator(String s)
{ operator= im();;
}
public String getOperator()
{ return operator;
}
public double getResult()
{ if(operator。
equals("+"))
{ result=numberOne+numberTwo;
}
else if(operator。equals("-"))
{ result=numberOne-numberTwo;
}
else if(operator。
equals("*"))
{ result=numberOne*numberTwo;
}
else if(operator。equals("/"))
{ result=numberOne/numberTwo;
}
return result;
}
}
。
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