public static void main ( String [ ] args ) {
  int [ ] arrA = {
    2 , 4 , 6 , 8 , 10 , 12 , 13 };
    int [ ] arrB = {
      2 , 4 , 6 , 8 , 10 , 12 };
      System . out . println ( find_extra_element_index ( arrA , arrB ) ) ;
    }
    
public static void main ( String [ ] args ) { int [ ] arrA = { 2 , 4 , 6 , 8 , 10 , 12 , 13 } ; int [ ] arrB = { 2 , 4 , 6 , 8 , 10 , 12 } ; System . out . println ( find_extra_element_index ( arrA , arrB ) ) ; }
(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: (integral_type) dimensions: (dimensions)) declarator: (variable_declarator name: (identifier) value: (array_initializer (decimal_integer_literal) (decimal_integer_literal) (decimal_integer_literal) (decimal_integer_literal) (decimal_integer_literal) (decimal_integer_literal) (decimal_integer_literal)))) (local_variable_declaration type: (array_type element: (integral_type) dimensions: (dimensions)) declarator: (variable_declarator name: (identifier) value: (array_initializer (decimal_integer_literal) (decimal_integer_literal) (decimal_integer_literal) (decimal_integer_literal) (decimal_integer_literal) (decimal_integer_literal)))) (expression_statement (method_invocation object: (field_access object: (identifier) field: (identifier)) name: (identifier) arguments: (argument_list (method_invocation name: (identifier) arguments: (argument_list (identifier) (identifier))))))))