单项选择题
现有:
class Birds {
public static void main (String [] args) {
try {
throw new Exception () ;
} catch (Exception e) {
try {
throw new Exception () ;
} catch (Exception e2) { System.out.print ("inner "); }
System. out.print ( "middle" ) ;
}
System.out.print ("outer") ;
}
}
结果是()
A. inner outer
B. middle outer
C. inner middle outer
D..编译失败
相关考题
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多项选择题
现有: class Flow { public static void main(String [] args) try { System. out .print ("before") ; doRiskyThing ( ) ; System.out.print ("after ") ; } catch (Exception fe) { System.out.print ("catch") ; } System. out .println ( " done") ; } public static void doRiskyThing() throws Exception{ // this code returns unless it throws an Exception }} 可能会产生哪两项结果 ?()
A. before catch
B. before after done
C. before catch done
D. before after catch -
多项选择题
现有 1. class Calc { 2. public static void main(String [] args) { 3. try { 4. int x = Integer.parselnt ("42a") ; 5. //insert code here 6. System.out.print ("oops"); 7. } 8. } 9. } 下面哪两行分别插入到第五行,会导致输 "oops" ? ()
A. } catch (IllegalArgumentException e) {
B. } catch (IllegalStateException c) {
C. } catch (NumbelFormatException n) {
D. } catch (ClassCastException c) { -
单项选择题
现有: void topGo() { try { middleGo(); } catch (Exception e) { System.out.print("catch"); } } void middleGo() throws Exception { go(); system.out.print("late middle"); } void go() throws ExceptiOn { throw new Exception(); } 如果调用 topGo () ,则结果为:()
A. late middle
B. catch
C. late middle catch
D. catch Iate middle
