public static void main ( String args [ ] ) {
  int arr [ ] [ ] = {
    {
      1 , 2 , 3 }, {
        4 , 5 , 6 }, {
          7 , 8 , 9 }
        };
        int m = 3 , n = 3 ;
        Node head = construct ( arr , 0 , 0 , m , n ) ;
        display ( head ) ;
      }
      
public static void main ( String args [ ] ) { int arr [ ] [ ] = { { 1 , 2 , 3 } , { 4 , 5 , 6 } , { 7 , 8 , 9 } } ; int m = 3 , n = 3 ; Node head = construct ( arr , 0 , 0 , m , n ) ; display ( head ) ; }
(method_declaration (modifiers) type: (void_type) name: (identifier) parameters: (formal_parameters (formal_parameter type: (type_identifier) name: (identifier) dimensions: (dimensions))) body: (block (local_variable_declaration type: (integral_type) declarator: (variable_declarator name: (identifier) dimensions: (dimensions) value: (array_initializer (array_initializer (decimal_integer_literal) (decimal_integer_literal) (decimal_integer_literal)) (array_initializer (decimal_integer_literal) (decimal_integer_literal) (decimal_integer_literal)) (array_initializer (decimal_integer_literal) (decimal_integer_literal) (decimal_integer_literal))))) (local_variable_declaration type: (integral_type) declarator: (variable_declarator name: (identifier) value: (decimal_integer_literal)) declarator: (variable_declarator name: (identifier) value: (decimal_integer_literal))) (local_variable_declaration type: (type_identifier) declarator: (variable_declarator name: (identifier) value: (method_invocation name: (identifier) arguments: (argument_list (identifier) (decimal_integer_literal) (decimal_integer_literal) (identifier) (identifier))))) (expression_statement (method_invocation name: (identifier) arguments: (argument_list (identifier))))))