If in Java , not a statement error -

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class box { // instance variables double length ,ipsos ; double width ,mikos ; double height ,platos; // constructors  public box ( double side ) { width = side ; height = side ; length = side ; } public box ( double x , double y , double z) {     platos = y ; ipsos = z; mikos = x ;  }  // methods double calculate(double praksi) { return 2 * ( width * height + width * length + height * length ) ; } double volume(double emvadon) { return platos*ipsos*mikos ; }  @override public string tostring() {     return "volume: " + volume(1) + "\n calculate: " + calculate(1); } public class cube extends box {     public cube(double side) {         super(side, side, side);         if (side<0) { system.out,println("lathos timi);}      } }  }

in upper code,compiler finds error on : if (side<0) { system.out,println("lathos timi);}

it says : not statement

what wrong? im new @ java programming , 'if' c .

you have comma in println statement. should be:

system.out.println("lathos timi");

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