public static void main ( String args [ ] ) {
  int arr1 [ ] = {
    220 , 284 , 1184 , 1210 , 2 , 5 };
    int n1 = arr1 . length ;
    System . out . println ( countPairs ( arr1 , n1 ) ) ;
    int arr2 [ ] = {
      2620 , 2924 , 5020 , 5564 , 6232 , 6368 };
      int n2 = arr2 . length ;
      System . out . println ( countPairs ( arr2 , n2 ) ) ;
    }
    
public static void main ( String args [ ] ) { int arr1 [ ] = { 220 , 284 , 1184 , 1210 , 2 , 5 } ; int n1 = arr1 . length ; System . out . println ( countPairs ( arr1 , n1 ) ) ; int arr2 [ ] = { 2620 , 2924 , 5020 , 5564 , 6232 , 6368 } ; int n2 = arr2 . length ; System . out . println ( countPairs ( arr2 , n2 ) ) ; }
(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) (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 object: (field_access object: (identifier) field: (identifier)) name: (identifier) arguments: (argument_list (method_invocation name: (identifier) arguments: (argument_list (identifier) (identifier)))))) (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) (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 object: (field_access object: (identifier) field: (identifier)) name: (identifier) arguments: (argument_list (method_invocation name: (identifier) arguments: (argument_list (identifier) (identifier))))))))