static boolean isSafe ( int x , int y ) {
  return ( x < R && y < C ) ;
}

static boolean isSafe ( int x , int y ) { return ( x < R && y < C ) ; }
(method_declaration (modifiers) type: (boolean_type) name: (identifier) parameters: (formal_parameters (formal_parameter type: (integral_type) name: (identifier)) (formal_parameter type: (integral_type) name: (identifier))) body: (block (return_statement (parenthesized_expression (binary_expression left: (binary_expression left: (identifier) right: (identifier)) right: (binary_expression left: (identifier) right: (identifier)))))))