Java Program -------------------------------------------------------------------------------------------------------------------------------------------- import java.awt.Point; import java.awt.Polygon; /** * Coordinates on a hexagon-filled game board. * 
 * 
a
 left to right (0 = left edge, moving left half a hex each line down) * 
b
 top to bottom (0 = top edge) * 
c
 left to right (0 = top edge, moving right half a hex each line down) * 
 * The {@link #c()} coordinate is always the difference of the first two. */ public class HexCoordinate { private final int a, b, c; /** * Create a hexagonal coordinate by specifying the first two coordinates * and computing the third. * @param a first coordinate * @param b second coordinate */ public HexCoordinate(int a, int b) { this.a = a; this.b = b; } /** * Create a hexagonal coordinate by specifying all three coordinates, * which must be consistent. * @param a * @param b * @param c * @exception IllegalArgumentException if the coordinates are not consistent. */ public HexCoordinate(int a, int b, int c) throws IllegalArgumentException { // TODO: Check consistency and then assign fields. HexCoordinate(a, b); this.c = c; } 

-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------

Can i get help with implementing the two constructors.