如何重構這些方法以使它們不依賴於使用實例變量(@conference_facets)? def count_conf_facets(events)
@conference_facets = {}
for event in events do
home_team_conf = event.home_team_conf
away_team_conf = even
class Test
def initialize
@var = "125"
end
def testmethod
puts @var
puts "accessing me from child class"
end
end
class TestExtension < Test
def method1
我有以下java類。當我在構造函數中調用登錄方法時,我使用類名訪問靜態實例變量username,使用關鍵字this訪問靜態實例變量password。我的問題是兩種方法有什麼區別?哪一個應該用在什麼情況下? public class MyClass {
private Main main;
private static String username = "mylogindet