public enum Operation {
PIUS
{
public double cacl(int x,int y)
{
return x+y;
}
}
,
MINUS
{
public double cacl(int x,int y)
{
return x-y;
}
}
,
TIMES
{
public double cacl(int x,int y)
{
return x*y;
}
}
,
DIVIDE
{
public double cacl(int x,int y)
{
return x/y;
}
}
;
public abstract double cacl(int x,int y);
public static void main(String[] args) {
System.out.println(Operation.PIUS.cacl(7, 8));//15
System.out.println(Operation.DIVIDE.cacl(8, 8));//1
System.out.println(Operation.MINUS.cacl(7, 8));//-1
System.out.println(Operation.TIMES.cacl(7, 8));//56
}
}
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