public static void main(String[] args) { try { args=null; args[0] = “test”; System.out.println(args[0]); } catch (Exception ex) { System.out.println(”Exception”); } catch (NullPointerException npe) { System.out.println(”NullPointerException”); } } What is the result?()
第1题:
下列程序的输出结果是( )。 Public class Test{ Public static void main(String[]args){ int[]array=(2,4,6,8,10); int size=6; int result=-l: try{ for(int i=0;i<sizeresult= =-1:) if(array[i]= =20)result=i: } catch(ArithmeticException e){ System.out.println("Catch---1"); } catch(ArraylndexOutOfBoundsException e){ System.out.println("Catch---2"): } catch(Exception e){ System.out.println("Catch---3"): } }
A.Catch---1
B.Catch---2
C.Catch---3
D.以上都不对
第2题:
static void test() throws RuntimeException { try { System.out.print(”test “); throw new RuntimeException(); } catch (Exception ex) { System.out.print(”exception “); } } public static void main(String[] args) { try { test(); } catch (RuntimeException ex) { System.out.print(”runtime “); } System.out.print(”end “); } What is the result?()
第3题:
publicstaticvoidmain(String[]args){try{args=null;args[0]=test”;System.out.println(args[0]);}catch(Exceptionex){System.out.println(”Exception”);}catch(NullPointerExceptionnpe){System.out.println(”NullPointerException”);}}Whatistheresult?()
A.test
B.Exception
C.Compilationfails.
D.NullPointerException
第4题:
public class Test { public static void aMethod() throws Exception { try { throw new Exception(); } finally { System.out.println(“finally”); } } public static void main(String args[]) { try { aMethod(); } catch (Exception e) { System.out.println(“exception”); } System.out.println(“finished”); } } What is the result?()
第5题:
public class Test { public static void main(String[] args) { String str = NULL; System.out.println(str); } } What is the result?()
第6题:
( 17 )下列程序的输出结果是
public class Test{
public static void main(String[] args){
int [] array={2,4,6,8,10};
int size=6;
int result=-1;
try{
for{int i=0;i<size && result==-1;i++}
if(array[i]==20) result=i;
}
catch(ArithmeticException e){
System.out.println( " Catch---1 " );
catch(ArrayIndexOutOfBoundsException e){
System.out.println( " Catch---2 " );
catch(Exception e){
System.out.println( " Catch---3 " );
}
}
A ) Catch---1
B ) Catch---2
C ) Catch---3
D )以上都不对
答案暂缺
第7题:
public static void main(String[] args) { String str = “null‟; if (str == null) { System.out.println(”null”); } else (str.length() == 0) { System.out.println(”zero”); } else { System.out.println(”some”); } } What is the result?()
第8题:
下列程序的运行结果是( )。 public class test{ private String[]data={¨10","10.5"); public void fun{ double s=0: for(int i=0;i<3;j++){ try{ s=s+Integer.parseInt(data[i]); catch(Exception e){ System.out.print("errorl:"+data[i]); } } } public static void main(string[]args){ try{ test d=new test: fun: }catch(Exception e){ System.OUt.println("error2") } } }
A.errorl:10.5
B.error2
C.errorl:10.5 error2
D.以上都不对
第9题:
static void test() { try { String x=null; System.out.print(x.toString() +“ “); } finally { System.out.print(“finally “); } } public static void main(String[] args) { try { test(); } catch (Exception ex) { System.out.print(”exception “); } } What is the result?()
第10题:
public class Test { public static void main( String[] args) { String foo = args[1]; String bar = args[2]; String baz = args[3]; System.out.println(“baz = “ + baz); } } And the command line invocation: java Test red green blue What is the result?()