static void checkCollision ( int a , int b , int c , int x , int y , int radius ) {
  double dist = ( Math . abs ( a * x + b * y + c ) ) / Math . sqrt ( a * a + b * b ) ;
  if ( radius == dist ) System . out . println ( "Touch" ) ;
  else if ( radius > dist ) System . out . println ( "Intersect" ) ;
  else System . out . println ( "Outside" ) ;
}

static void checkCollision ( int a , int b , int c , int x , int y , int radius ) { double dist = ( Math . abs ( a * x + b * y + c ) ) / Math . sqrt ( a * a + b * b ) ; if ( radius == dist ) System . out . println ( " Touch " ) ; else if ( radius > dist ) System . out . println ( " Intersect " ) ; else System . out . println ( " Outside " ) ; }
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