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public class X { public static void main(String [] args) { try { badMethod(); System.out.print(“A”); } catch (Exception ex) { System.out.print(“B”); } finally { System.out.print(“C”); } System.out.print(“D”); } public static void badMethod() { throw new RuntimeException(); } } What is the result? ()
- A、 AB
- B、 BC
- C、 ABC
- D、 BCD
- E、 Compilation fails.
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更多 “ public class X { public static void main(String [] args) { try { badMethod(); System.out.print(“A”); } catch (Exception ex) { System.out.print(“B”); } finally { System.out.print(“C”); } System.out.print(“D”); } public static void badMethod() { throw new RuntimeException(); } } What is the result? () A、 ABB、 BCC、 ABCD、 BCDE、 Compilation fails.” 相关考题
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public class Base { public static final String FOO = “foo”; public static void main(String[] args) { Base b = new Base(); Sub s = new Sub(); System.out.print(Base.FOO); System.out.print(Sub.FOO); System.out.print(b.FOO); System.out.print(s.FOO); System.out.print(((Base)s).FOO); } } class Sub extends Base {public static final String FOO=bar;} What is the result?() A、 foofoofoofoofooB、 foobarfoobarbarC、 foobarfoofoofooD、 foobarfoobarfooE、 barbarbarbarbarF、 foofoofoobarbarG、 foofoofoobarfoo
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class Number { public static void main(String [] args) { try { System.out.print(Integer.parseInt("forty ")); } catch (RuntimeException r) { System.out.print("runtime "); } catch (NumberFormatException e) { System.out.print("number "); } } } 结果是什么?() A、fortyB、numberC、runtimeD、编译失败
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public class X { public static void main(String [] args) { try { badMethod(); System.out.print(“A”); } catch (Exception ex) { System.out.print(“C”); } finally { System.out.print(“B”); } System.out.print(“D”); } public static void badMethod() { throw new Error(); } } What is the result?() A、 ABCDB、 Compilation fails.C、 C is printed before exiting with an error message.D、 BC is printed before exiting with an error message.E、 BCD is printed before exiting with an error message.
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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?() A、 nullB、 finallyC、 null finallyD、 Compilation fails.E、 finally exception
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public class X { public static void main(String [] args) { try { badMethod(); System.out.print(“A”); } catch (Exception ex) { System.out.print(“B”); } finally { System.out.print(“C”); } System.out.print(“D”); } public static void badMethod() {} } What is the result?() A、 ACB、 BDC、 ACDD、 ABCDE、 Compilation fails.
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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 catchB、 before after doneC、 before catch doneD、 before after catch
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public class X { public static void main(String [] args) { try { badMethod(); System.out.print(“A”); } catch (RuntimeException ex) { System.out.print(“B”); } catch (Exception ex1) { System.out.print(“C”); } finally { System.out.print(“D”); } System.out.print(“E”); } public static void badMethod() { throw new RuntimeException(); } } What is the result?() A、 BDB、 BCDC、 BDED、 BCDEE、 ABCDEF、 Compilation fails.
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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 } } 可能会产生下面哪两项结果?() A、beforeB、before catchC、before after doneD、before catch done
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public class TestApp{ public static void main(String[] args){ try{ int i = 0; int j = 1 / i; String myname=null; if(myname.length()2) System.out.print(“1”); }catch(NullPointerException e){ System.out.print(“2”); } catch(Exception e){ System.out.print(“3”); } } } 上述程序运行后的输出是哪项?()A、 3B、 2C、 231D、 32
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static void test() throws Error { if (true) throw new AssertionError(); System.out.print(”test “); } public static void main(String[] args) { try { test(); } catch (Exception ex) { System.out.print(”exception “); } System.out.print(”elld “); } What is the result?() A、 endB、 Compilation fails.C、 exception endD、 exception test endE、 A Throwable is thrown by main.F、 An Exception is thrown by main.
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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 outerB、 middle outerC、 inner middle outerD、.编译失败
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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 "); } } 结果为:() A、innerB、inner outerC、middle outerD、inner middle outer
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class Order implements Runnable { public void run () { try { Thread.sleep (2000) ; } catch (Exception e) System.out.print("in") ; public static void main (String [] args) { Thread t = new Thread (new Order ()) ; t.start () ; System.out.print ("pre ") ; try { t.join () ; } catch (Exception e) { } System.out.print ("post") ; 可产生哪两项结果?() A、 pre in postB、 pre inC、 in post preD、 in pre postE、 pre post in
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单选题public class TestApp{ public static void main(String[] args){ try{ int i = 0; int j = 1 / i; System.out.println(“1”); }catch(Exception e){ System.out.print(“3”); }finally{ System.out.print(“4”); } } } 上述程序运行后的输出是哪项?()A
4B
34C
43D
14
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单选题public class X { public static void main(String [] args) { try { badMethod(); System.out.print(“A”); } catch (RuntimeException ex) { System.out.print(“B”); } catch (Exception ex1) { System.out.print(“C”); } finally { System.out.print(“D”); } System.out.print(“E”); } public static void badMethod() { throw new RuntimeException(); } } What is the result?()A
BDB
BCDC
BDED
BCDEE
ABCDEF
Compilation fails.
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单选题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?()A
nullB
finallyC
null finallyD
Compilation fails.E
finally exception
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单选题现有: 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 outerB
middle outerC
inner middle outerD
.编译失败
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单选题public class X { public static void main(String [] args) { try { badMethod(); System.out.print(“A”); } catch (Exception ex) { System.out.print(“C”); } finally { System.out.print(“B”); } System.out.print(“D”); } public static void badMethod() { throw new Error(); } } What is the result?()A
ABCDB
Compilation fails.C
C is printed before exiting with an error message.D
BC is printed before exiting with an error message.E
BCD is printed before exiting with an error message.
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单选题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?()A
test endB
Compilation fails.C
test runtime endD
test exception endE
A Throwable is thrown by main at runtime.
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单选题public class TestApp{ public static void main(String[] args){ try{ int i = 0; int j = 1 / i; String myname=null; if(myname.length()2) System.out.print(“1”); }catch(NullPointerException e){ System.out.print(“2”); } catch(Exception e){ System.out.print(“3”); } } } 上述程序运行后的输出是哪项?()A
3B
2C
231D
32
考题
单选题public class X { public static void main(String [] args) { try { badMethod(); System.out.print(“A”); } catch (Exception ex) { System.out.print(“B”); } finally { System.out.print(“C”); } System.out.print(“D”); } public static void badMethod() { throw new RuntimeException(); } } What is the result? ()A
ABB
BCC
ABCD
BCDE
Compilation fails.
考题
单选题public class TestApp{ public static void main(String[] args){ try{ String myname = null; if(myname.length()2) System.out.print(“1”); }catch(NullPointerException e){ System.out.print(“2”); } } } 上述程序运行后的输出是哪项?()A
1B
12C
21D
2
考题
多选题class Order implements Runnable { public void run() { try { Thread.sleep(2000); } catch (Exception e) { } System.out.print("in "); } public static void main(String [] args) { Thread t = new Thread(new Order()); t.start(); System.out.print("pre "); try { t.join(); } catch (Exception e) { } System.out.print("post "); } } 可产生哪两项结果?()Ain preBpre inCin pre postDpre in post
考题
单选题public class Base { public static final String FOO = “foo”; public static void main(String[] args) { Base b = new Base(); Sub s = new Sub(); System.out.print(Base.FOO); System.out.print(Sub.FOO); System.out.print(b.FOO); System.out.print(s.FOO); System.out.print(((Base)s).FOO); } } class Sub extends Base {public static final String FOO=bar;} What is the result?()A
foofoofoofoofooB
foobarfoobarbarC
foobarfoofoofooD
foobarfoobarfooE
barbarbarbarbarF
foofoofoobarbarG
foofoofoobarfoo
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