stringBuilder轉換為string后,兩者輸出內容一樣為何用equals()判斷為false
StringBuilder sr=new StringBuilder("qwerdfqwe");
String ssString =sr.toString();
System.out.println(sr);
System.out.println(ssString);
System.out.println(sr.equals(ssString));
StringBuilder sr=new StringBuilder("qwerdfqwe");
String ssString =sr.toString();
System.out.println(sr);
System.out.println(ssString);
System.out.println(sr.equals(ssString));
2019-06-05
舉報
2019-06-05
2019-07-20
對象不同,但是內容是相同的,equals不是只比較內容嗎?不太懂