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Java error cannot find symbol?

by jhonrtin
4 replies
/**
* Print to the screen.
*
* @author Beginner.
*/
public class Mag {


public static void main(String[] args) {

double circumference = 2 * Math.PI * radius;

System.out.println ("slant height (s): " + circumference);


}
}


I get:
Beginner.java:13: error: cannot find symbol
double circumference = 2 * Math.PI * radius;
......................................... ^

symbol: variable radius
location: class Beginner


Please help!
Thanks
#error #find #java #symbol
  • Profile picture of the author handyman
    The radius variable is not declared. Use this code,

    Code:
    /**
* Print to the screen.
*
* @author Beginner.
*/
public class Mag {

public static void main(String[] args) {

int radius = 10;

double circumference = 2 * Math.PI * radius;

System.out.println ("slant height (s): " + circumference);


}
}
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  • Profile picture of the author windso0
    My guess is that you have a problem with your classpath or you path settings.
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  • Profile picture of the author IBank
    Its not the classpath
    Just as handyman suggested, the radius variable is not declared.
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    • Profile picture of the author jhonrtin
      Thanks to all
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