static int sameSetBits ( int arr [ ] , int n ) {
  Vector < Integer > v = new Vector < > ( ) ;
  for ( int i = 0 ;
  i < n ;
  i ++ ) {
    int count = Integer . bitCount ( arr [ i ] ) ;
    v . add ( count ) ;
  }
  int current_count = 1 , max_count = 1 ;
  for ( int i = 1 ;
  i < v . size ( ) - 1 ;
  i ++ ) {
    if ( v . get ( i + 1 ) == v . get ( i ) ) current_count ++ ;
    else current_count = 1 ;
    max_count = Math . max ( max_count , current_count ) ;
  }
  return max_count ;
}

static int sameSetBits ( int arr [ ] , int n ) { Vector < Integer > v = new Vector < > ( ) ; for ( int i = 0 ; i < n ; i ++ ) { int count = Integer . bitCount ( arr [ i ] ) ; v . add ( count ) ; } int current_count = 1 , max_count = 1 ; for ( int i = 1 ; i < v . size ( ) - 1 ; i ++ ) { if ( v . get ( i + 1 ) == v . get ( i ) ) current_count ++ ; else current_count = 1 ; max_count = Math . max ( max_count , current_count ) ; } return max_count ; }
(method_declaration (modifiers) type: (integral_type) name: (identifier) parameters: (formal_parameters (formal_parameter type: (integral_type) name: (identifier) dimensions: (dimensions)) (formal_parameter type: (integral_type) name: (identifier))) body: (block (local_variable_declaration type: (generic_type (type_identifier) (type_arguments (type_identifier))) declarator: (variable_declarator name: (identifier) value: (object_creation_expression type: (generic_type (type_identifier) (type_arguments)) arguments: (argument_list)))) (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: (block (local_variable_declaration type: (integral_type) declarator: (variable_declarator name: (identifier) value: (method_invocation object: (identifier) name: (identifier) arguments: (argument_list (array_access array: (identifier) index: (identifier)))))) (expression_statement (method_invocation object: (identifier) name: (identifier) arguments: (argument_list (identifier)))))) (local_variable_declaration type: (integral_type) declarator: (variable_declarator name: (identifier) value: (decimal_integer_literal)) declarator: (variable_declarator name: (identifier) value: (decimal_integer_literal))) (for_statement init: (local_variable_declaration type: (integral_type) declarator: (variable_declarator name: (identifier) value: (decimal_integer_literal))) condition: (binary_expression left: (identifier) right: (binary_expression left: (method_invocation object: (identifier) name: (identifier) arguments: (argument_list)) right: (decimal_integer_literal))) update: (update_expression (identifier)) body: (block (if_statement condition: (parenthesized_expression (binary_expression left: (method_invocation object: (identifier) name: (identifier) arguments: (argument_list (binary_expression left: (identifier) right: (decimal_integer_literal)))) right: (method_invocation object: (identifier) name: (identifier) arguments: (argument_list (identifier))))) consequence: (expression_statement (update_expression (identifier))) alternative: (expression_statement (assignment_expression left: (identifier) right: (decimal_integer_literal)))) (expression_statement (assignment_expression left: (identifier) right: (method_invocation object: (identifier) name: (identifier) arguments: (argument_list (identifier) (identifier))))))) (return_statement (identifier))))