Multiplying Variables in java

Hi friends
I program in java and so I use the best IDE for it, that it I use Eclipse IDE but the problem is that I am having a error on my varaible declaration line after I type every third line. Please check, I have posted it below

Code:

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import java.math.*;
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double cnt, energycnt, transRange;
energycnt = cnt * Math.pow(transRange,2);

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Any idea on this. Please.

Hi
Please check the following code, this may help you.

Code:

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public class sennode {
private int xcord;
private int ycord;
private double energyLevel;
public sennode(int xInit, int yInit, double newEnergy){
xcord = xInit;
ycord = yInit;
energyLevel = newEnergy;
}

double const = 0 ;
double energycnt = 0;
double transRange = 0;

energycnt = const * Math.pow(transRange,2);
}

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Hi
Thanks for your help and your code.
I have read your code in details but unfortunately that is not the problem for sure. May be you can try something different. Thanks again.

Hi
May be this code can help you

Code:

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public class sensorNode {

        private int xcord;
        private        int ycord;
        private        double energyLevel;       
       
        /**
        * @param xInit the x-coordinate for node
        * @param yInit the y-coordinate for node
        * @param newEnergy the initial energy for node
        */
        public  sensorNode(int xInit, int yInit, double newEnergy){
               
                xcord = xInit;
                ycord = yInit;
                energyLevel = newEnergy;
        }

        double const = 0 ;
        double energycnt = 0;
        double transRange = 0;

        energycnt = const * Math.pow(transRange,2);
       
}

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