public static void main ( String args [ ] ) {
  int pre [ ] = {
    40 , 30 , 35 , 80 , 100 };
    int n = pre . length ;
    findPostOrder ( pre , n ) ;
  }
  
public static void main ( String args [ ] ) { int pre [ ] = { 40 , 30 , 35 , 80 , 100 } ; int n = pre . length ; findPostOrder ( pre , n ) ; }
(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 (decimal_integer_literal) (decimal_integer_literal) (decimal_integer_literal) (decimal_integer_literal) (decimal_integer_literal)))) (local_variable_declaration type: (integral_type) declarator: (variable_declarator name: (identifier) value: (field_access object: (identifier) field: (identifier)))) (expression_statement (method_invocation name: (identifier) arguments: (argument_list (identifier) (identifier))))))