static void countFreq ( int a [ ] , int n ) {
  for ( int i = 0 ;
  i < n ;
  i ++ ) if ( hm . containsKey ( a [ i ] ) ) hm . put ( a [ i ] , hm . get ( a [ i ] ) + 1 ) ;
  else hm . put ( a [ i ] , 1 ) ;
}

static void countFreq ( int a [ ] , int n ) { for ( int i = 0 ; i < n ; i ++ ) if ( hm . containsKey ( a [ i ] ) ) hm . put ( a [ i ] , hm . get ( a [ i ] ) + 1 ) ; else hm . put ( a [ i ] , 1 ) ; }
(method_declaration (modifiers) type: (void_type) name: (identifier) parameters: (formal_parameters (formal_parameter type: (integral_type) name: (identifier) dimensions: (dimensions)) (formal_parameter type: (integral_type) name: (identifier))) body: (block (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: (if_statement condition: (parenthesized_expression (method_invocation object: (identifier) name: (identifier) arguments: (argument_list (array_access array: (identifier) index: (identifier))))) consequence: (expression_statement (method_invocation object: (identifier) name: (identifier) arguments: (argument_list (array_access array: (identifier) index: (identifier)) (binary_expression left: (method_invocation object: (identifier) name: (identifier) arguments: (argument_list (array_access array: (identifier) index: (identifier)))) right: (decimal_integer_literal))))) alternative: (expression_statement (method_invocation object: (identifier) name: (identifier) arguments: (argument_list (array_access array: (identifier) index: (identifier)) (decimal_integer_literal))))))))