public static void main ( String [ ] args ) {
  int n = 4 ;
  int x [ ] = new int [ ] {
    1 , 4 , 2 , 1 };
    int y [ ] = new int [ ] {
      4 , 1 , 1 , 2 };
      shortestLength ( n , x , y ) ;
    }
    
public static void main ( String [ ] args ) { int n = 4 ; int x [ ] = new int [ ] { 1 , 4 , 2 , 1 } ; int y [ ] = new int [ ] { 4 , 1 , 1 , 2 } ; shortestLength ( n , x , y ) ; }
(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: (integral_type) declarator: (variable_declarator name: (identifier) value: (decimal_integer_literal))) (local_variable_declaration type: (integral_type) declarator: (variable_declarator name: (identifier) dimensions: (dimensions) value: (array_creation_expression type: (integral_type) dimensions: (dimensions) value: (array_initializer (decimal_integer_literal) (decimal_integer_literal) (decimal_integer_literal) (decimal_integer_literal))))) (local_variable_declaration type: (integral_type) declarator: (variable_declarator name: (identifier) dimensions: (dimensions) value: (array_creation_expression type: (integral_type) dimensions: (dimensions) value: (array_initializer (decimal_integer_literal) (decimal_integer_literal) (decimal_integer_literal) (decimal_integer_literal))))) (expression_statement (method_invocation name: (identifier) arguments: (argument_list (identifier) (identifier) (identifier))))))