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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、before
  • B、before catch
  • C、before after done
  • D、before catch done

参考答案

更多 “ 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” 相关考题
考题 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.

考题 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

考题 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

考题 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.

考题 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

考题 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() {} }  What is the result?()  A、 ACB、 BDC、 ACDD、 ABCDE、 Compilation fails.

考题 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 catchB、 before after doneC、 before catch doneD、 before after catch

考题 class Work implements Runnable {  Thread other;   Work(Thread other) { this.other = other; }  public void run() {  try { other.join(); } catch (Exception e) { }  System.out.print("after join ");  } }  class Launch {  public static void main(String [] args) {  new Thread(new Work(Thread.currentThread())).start();  System.out.print("after start ");  } }  结果为:()A、after joinB、after startC、after join after startD、after start after join

考题 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.

考题 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 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 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.

考题 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

考题 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

考题 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?()  A、 pre in postB、 pre inC、 in post preD、 in pre postE、 pre post in

考题 单选题class Work implements Runnable {  Thread other;   Work(Thread other) { this.other = other; }  public void run() {  try { other.join(); } catch (Exception e) { }  System.out.print("after join ");  } }  class Launch {  public static void main(String [] args) {  new Thread(new Work(Thread.currentThread())).start();  System.out.print("after start ");  } }  结果为:()A after joinB after startC after join after startD after start after join

考题 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

考题 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.

考题 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

考题 多选题现有:  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 ?()Abefore catchBbefore after doneCbefore catch doneDbefore after catch

考题 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

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(“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.

考题 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.

考题 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 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 多选题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?()AbeforeBbefore catchCbefore after doneDbefore catch done