static void swap ( int [ ] xp , int [ ] yp ) {
  xp [ 0 ] = xp [ 0 ] ^ yp [ 0 ] ;
  yp [ 0 ] = xp [ 0 ] ^ yp [ 0 ] ;
  xp [ 0 ] = xp [ 0 ] ^ yp [ 0 ] ;
}

static void swap ( int [ ] xp , int [ ] yp ) { xp [ 0 ] = xp [ 0 ] ^ yp [ 0 ] ; yp [ 0 ] = xp [ 0 ] ^ yp [ 0 ] ; xp [ 0 ] = xp [ 0 ] ^ yp [ 0 ] ; }
(method_declaration (modifiers) type: (void_type) name: (identifier) parameters: (formal_parameters (formal_parameter type: (array_type element: (integral_type) dimensions: (dimensions)) name: (identifier)) (formal_parameter type: (array_type element: (integral_type) dimensions: (dimensions)) name: (identifier))) body: (block (expression_statement (assignment_expression left: (array_access array: (identifier) index: (decimal_integer_literal)) right: (binary_expression left: (array_access array: (identifier) index: (decimal_integer_literal)) right: (array_access array: (identifier) index: (decimal_integer_literal))))) (expression_statement (assignment_expression left: (array_access array: (identifier) index: (decimal_integer_literal)) right: (binary_expression left: (array_access array: (identifier) index: (decimal_integer_literal)) right: (array_access array: (identifier) index: (decimal_integer_literal))))) (expression_statement (assignment_expression left: (array_access array: (identifier) index: (decimal_integer_literal)) right: (binary_expression left: (array_access array: (identifier) index: (decimal_integer_literal)) right: (array_access array: (identifier) index: (decimal_integer_literal)))))))