SCJP題庫第132題
Given:
1. class TestException extends Exception{}
2. class A{
3. public String sayHello(String name) throws TestException{
4. if(name == null) throw new TestException(),
5. return "Hello " + name;
6. }
7. }
8. public class TestA{
9. public static void main(String[] args){
10. new A().sayHello("Aiko");
11. }
12.}
Which statement is true?
A. Compilation succeeds.
B. class A does not compile.
C. The method declared on line 9 cannot be modified to throw TestException.
D. TestA compiles if line 10 is enclosed in try/catch block that catches TestException.
Ans: D
解說:
sayHello宣告會丟出TestException，呼叫sayHello的敘述必須放在try/catch中
或者宣告... main throws TestException (String ...
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