public static void main ( String args [ ] ) {
  int X [ ] = {
    2 , 1 , 6 };
    int Y [ ] = {
      1 , 5 };
      System . out . println ( "Total pairs = " + countPairs ( X , Y , X . length , Y . length ) ) ;
    }
    
public static void main ( String args [ ] ) { int X [ ] = { 2 , 1 , 6 } ; int Y [ ] = { 1 , 5 } ; System . out . println ( " Total ▁ pairs ▁ = ▁ " + countPairs ( X , Y , X . length , Y . length ) ) ; }
(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)))) (local_variable_declaration type: (integral_type) declarator: (variable_declarator name: (identifier) dimensions: (dimensions) value: (array_initializer (decimal_integer_literal) (decimal_integer_literal)))) (expression_statement (method_invocation object: (field_access object: (identifier) field: (identifier)) name: (identifier) arguments: (argument_list (binary_expression left: (string_literal) right: (method_invocation name: (identifier) arguments: (argument_list (identifier) (identifier) (field_access object: (identifier) field: (identifier)) (field_access object: (identifier) field: (identifier))))))))))