public static int getMinCost ( Integer arr [ ] , int n ) {
  int min_ele = Collections . min ( Arrays . asList ( arr ) ) ;
  return min_ele * ( n - 1 ) ;
}

public static int getMinCost ( Integer arr [ ] , int n ) { int min_ele = Collections . min ( Arrays . asList ( arr ) ) ; return min_ele * ( n - 1 ) ; }
(method_declaration (modifiers) type: (integral_type) name: (identifier) parameters: (formal_parameters (formal_parameter type: (type_identifier) name: (identifier) dimensions: (dimensions)) (formal_parameter type: (integral_type) name: (identifier))) body: (block (local_variable_declaration type: (integral_type) declarator: (variable_declarator name: (identifier) value: (method_invocation object: (identifier) name: (identifier) arguments: (argument_list (method_invocation object: (identifier) name: (identifier) arguments: (argument_list (identifier))))))) (return_statement (binary_expression left: (identifier) right: (parenthesized_expression (binary_expression left: (identifier) right: (decimal_integer_literal)))))))