Driver program
public static void main ( String arr [ ] ) { int x1 = - 2 ; int y1 = 0 ; int z1 = - 5 ; int x2 = 1 ; int y2 = - 2 ; int z2 = - 1 ; float a = area ( x1 , y1 , z1 , x2 , y2 , z2 ) ; System . out . println ( " Area = ▁ " + a ) ; } }