"SCJP 1.6版考題 002" 修訂間的差異
出自 陳富國維基館
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| + | 1. public class TestString1{ | ||
| + | 2. public static void main(String[] args){ | ||
| + | 3. String str = "420"; | ||
| + | 4. str += 42; | ||
| + | 5. System.out.print(str); | ||
| + | 6. } | ||
| + | 7. } | ||
| + | |||
| + | |||
| + | What is the output? | ||
| + | A. 42 | ||
| + | B. 420 | ||
| + | C. 462 | ||
| + | D. 42042 | ||
| + | E. Compilation fails. | ||
| + | F. An exception is thrown at runtime. | ||
| + | |||
| + | <div class="toccolours mw-collapsible mw-collapsed"> | ||
| + | <span style="font-size:medium;">解答</span> | ||
| + | |||
| + | ---- | ||
| + | <div class="mw-collapsible-content"> | ||
| + | <span style="font-size: medium;">Ans: D </span> | ||
| + | |||
| + | <span style="font-size:medium;"> 解說: | ||
| + | 無 | ||
| + | </span> | ||
| + | </div></div> | ||
| + | {{SCJP 1.6版考題講解}} | ||
於 2013年3月30日 (六) 09:05 的最新修訂
1. public class TestString1{
2. public static void main(String[] args){
3. String str = "420";
4. str += 42;
5. System.out.print(str);
6. }
7. }
What is the output?
A. 42
B. 420
C. 462
D. 42042
E. Compilation fails.
F. An exception is thrown at runtime.
解答
Ans: D
解說: 無
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