public static void main ( String [ ] args ) {
  double [ ] [ ] d = {
    {
      1.2 , 2.7 }, {
        1.4 , 3.1 }
      };
      double x = 2.1 ;
      System . out . println ( "Value of y at x = 2.1 : " + extrapolate ( d , x ) ) ;
    }
    
public static void main ( String [ ] args ) { double [ ] [ ] d = { { 1.2 , 2.7 } , { 1.4 , 3.1 } } ; double x = 2.1 ; System . out . println ( " Value ▁ of ▁ y ▁ at ▁ x ▁ = ▁ 2.1 ▁ : ▁ " + extrapolate ( d , x ) ) ; }
(method_declaration (modifiers) type: (void_type) name: (identifier) parameters: (formal_parameters (formal_parameter type: (array_type element: (type_identifier) dimensions: (dimensions)) name: (identifier))) body: (block (local_variable_declaration type: (array_type element: (floating_point_type) dimensions: (dimensions)) declarator: (variable_declarator name: (identifier) value: (array_initializer (array_initializer (decimal_floating_point_literal) (decimal_floating_point_literal)) (array_initializer (decimal_floating_point_literal) (decimal_floating_point_literal))))) (local_variable_declaration type: (floating_point_type) declarator: (variable_declarator name: (identifier) value: (decimal_floating_point_literal))) (expression_statement (method_invocation object: (field_access object: (identifier) field: (identifier)) name: (identifier) arguments: (argument_list (binary_expression left: (string_literal) right: (method_invocation name: (identifier) arguments: (argument_list (identifier) (identifier)))))))))