static int maxPairSum ( int [ ] arr ) {
  int n = arr . length ;
  int max = 0 ;
  int secondMax = 0 ;
  if ( arr [ 0 ] > arr [ 1 ] ) {
    max = arr [ 0 ] ;
    secondMax = arr [ 1 ] ;
  }
  else {
    max = arr [ 1 ] ;
    secondMax = arr [ 0 ] ;
  }
  for ( int i = 2 ;
  i < n ;
  i ++ ) {
    if ( arr [ i ] > max ) {
      secondMax = max ;
      max = arr [ i ] ;
    }
    else if ( arr [ i ] > secondMax ) {
      secondMax = arr [ i ] ;
    }
  }
  return ( max + secondMax ) ;
}

static int maxPairSum ( int [ ] arr ) { int n = arr . length ; int max = 0 ; int secondMax = 0 ; if ( arr [ 0 ] > arr [ 1 ] ) { max = arr [ 0 ] ; secondMax = arr [ 1 ] ; } else { max = arr [ 1 ] ; secondMax = arr [ 0 ] ; } for ( int i = 2 ; i < n ; i ++ ) { if ( arr [ i ] > max ) { secondMax = max ; max = arr [ i ] ; } else if ( arr [ i ] > secondMax ) { secondMax = arr [ i ] ; } } return ( max + secondMax ) ; }
(method_declaration (modifiers) type: (integral_type) name: (identifier) parameters: (formal_parameters (formal_parameter type: (array_type element: (integral_type) dimensions: (dimensions)) name: (identifier))) body: (block (local_variable_declaration type: (integral_type) declarator: (variable_declarator name: (identifier) value: (field_access object: (identifier) field: (identifier)))) (local_variable_declaration type: (integral_type) declarator: (variable_declarator name: (identifier) value: (decimal_integer_literal))) (local_variable_declaration type: (integral_type) declarator: (variable_declarator name: (identifier) value: (decimal_integer_literal))) (if_statement condition: (parenthesized_expression (binary_expression left: (array_access array: (identifier) index: (decimal_integer_literal)) right: (array_access array: (identifier) index: (decimal_integer_literal)))) consequence: (block (expression_statement (assignment_expression left: (identifier) right: (array_access array: (identifier) index: (decimal_integer_literal)))) (expression_statement (assignment_expression left: (identifier) right: (array_access array: (identifier) index: (decimal_integer_literal))))) alternative: (block (expression_statement (assignment_expression left: (identifier) right: (array_access array: (identifier) index: (decimal_integer_literal)))) (expression_statement (assignment_expression left: (identifier) right: (array_access array: (identifier) index: (decimal_integer_literal)))))) (for_statement init: (local_variable_declaration type: (integral_type) declarator: (variable_declarator name: (identifier) value: (decimal_integer_literal))) condition: (binary_expression left: (identifier) right: (identifier)) update: (update_expression (identifier)) body: (block (if_statement condition: (parenthesized_expression (binary_expression left: (array_access array: (identifier) index: (identifier)) right: (identifier))) consequence: (block (expression_statement (assignment_expression left: (identifier) right: (identifier))) (expression_statement (assignment_expression left: (identifier) right: (array_access array: (identifier) index: (identifier))))) alternative: (if_statement condition: (parenthesized_expression (binary_expression left: (array_access array: (identifier) index: (identifier)) right: (identifier))) consequence: (block (expression_statement (assignment_expression left: (identifier) right: (array_access array: (identifier) index: (identifier))))))))) (return_statement (parenthesized_expression (binary_expression left: (identifier) right: (identifier))))))