[J2SE] Java String觀念請教?
public String makinStrings()
{
String s = “Fred”;
s = s + “47”;
s = s.substring(2, 5);
s = s.toUpperCase();
return s.toString();
}
How many String objects will be created when this method is invoked?
A. 1
B. 2
C. 3
D. 4
E. 5
F. 6
明天公布正確答案
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天堂保險公司 PTT通訊處 半調子保險顧問 Harifucks
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推
05/01 00:32, , 1F
05/01 00:32, 1F
推
05/01 00:54, , 2F
05/01 00:54, 2F
推
05/01 00:56, , 3F
05/01 00:56, 3F
推
05/01 01:05, , 4F
05/01 01:05, 4F
推
05/01 01:33, , 5F
05/01 01:33, 5F
推
05/01 01:42, , 6F
05/01 01:42, 6F
推
05/01 03:07, , 7F
05/01 03:07, 7F
推
05/01 03:27, , 8F
05/01 03:27, 8F
推
05/01 03:59, , 9F
05/01 03:59, 9F
推
05/01 06:30, , 10F
05/01 06:30, 10F
→
05/01 06:32, , 11F
05/01 06:32, 11F
→
05/01 06:35, , 12F
05/01 06:35, 12F
推
05/01 06:38, , 13F
05/01 06:38, 13F
推
05/01 08:45, , 14F
05/01 08:45, 14F
推
05/01 12:07, , 15F
05/01 12:07, 15F
→
05/01 12:09, , 16F
05/01 12:09, 16F
推
05/01 13:07, , 17F
05/01 13:07, 17F
推
05/01 14:12, , 18F
05/01 14:12, 18F
推
05/01 18:33, , 19F
05/01 18:33, 19F
推
05/02 09:09, , 20F
05/02 09:09, 20F
推
05/02 10:07, , 21F
05/02 10:07, 21F
推
05/03 20:00, , 22F
05/03 20:00, 22F
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