网友您好, 请在下方输入框内输入要搜索的题目:

题目内容 (请给出正确答案)
单选题
11.classA {  12. public void process() { System.out.print(”A “); } }  13. class B extends A {  14. public void process() throws RuntimeException {  15. super.process();  16. if (true) throw new RuntimeException();  17. System.out.print(“B”); }}  18. public static void main(String[] args) {  19. try { ((A)new B()).process(); }  20. catch (Exception e) { System.out.print(”Exception “); }  21. }  What is the result?()
A

 Exception

B

 A Exception

C

 A Exception B

D

 A B Exception

E

 Compilation fails because of an error in line 14.

F

 Compilation fails because of an error in line 19.


参考答案

参考解析
解析: 暂无解析
更多 “单选题11.classA {  12. public void process() { System.out.print(”A “); } }  13. class B extends A {  14. public void process() throws RuntimeException {  15. super.process();  16. if (true) throw new RuntimeException();  17. System.out.print(“B”); }}  18. public static void main(String[] args) {  19. try { ((A)new B()).process(); }  20. catch (Exception e) { System.out.print(”Exception “); }  21. }  What is the result?()A  ExceptionB  A ExceptionC  A Exception BD  A B ExceptionE  Compilation fails because of an error in line 14.F  Compilation fails because of an error in line 19.” 相关考题
考题 11.classA{12.publicvoidprocess(){System.out.print(”A);}}13.classBextendsA{14.publicvoidprocess()throwsRuntimeException{15.super.process();16.if(true)thrownewRuntimeException();17.System.out.print(B”);}}18.publicstaticvoidmain(String[]args){19.try{((A)newB()).process();}20.catch(Exceptione){System.out.print(”Exception);}21.}Whatistheresult?()A.ExceptionB.AExceptionC.AExceptionBD.ABExceptionE.Compilationfailsbecauseofanerrorinline14.F.Compilationfailsbecauseofanerrorinline19.

考题 执行下面程序后输出的正确结果是( )。 public class Test{ public static void main(String args[]){ System.out.print(100%3); System.out.print(","); System.out.print(100%0); } }A.1,1B.1,1.0C.1.0, lD.1.0,1.0

考题 以下程序的运行结果为?class ValHold{public int i = 10;}public class ObParm{public static void main(String argv[]){ObParm o = new ObParm();o.amethod();}public void amethod(){int i = 99;ValHold v = new ValHold();v.i=30;another(v,i);System.out.print( v.i );}public void another(ValHold v, int i){i=0;v.i = 20;ValHold vh = new ValHold();v = vh;System.out.print(v.i);System.out.print(i);}}A.10030B. 20030C. 209930D. 10020

考题 class One {  public One() { System.out.print(1); }  }  class Two extends One {  public Two() { System.out.print(2); }  }  class Three extends Two {  public Three() { System.out.print(3); }  }  public class Numbers{  public static void main( String[] argv) { new Three(); }  }  What is the result when this code is executed?() A、 1B、 3C、 123D、 321E、 The code rims with no output.

考题 public class Pet{     private String name;     public Pet(String name){       this.name = name;    }  public void speak(){     System.out.print(name); }  }  public class Dog extends Pet{     public Dog(String name){       super(name);    }  public void speak(){    super.speak();  System.out.print(“ Dog ”);    } }  执行代码   Pet pet = new Dog(“京巴”);  pet.speak();  后输出的内容是哪项?() A、 京巴B、 京巴 DogC、 nullD、 Dog京巴

考题 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

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 public class Test {  public enum Dogs {collie, harrier, shepherd};  public static void main(String [] args) {  Dogs myDog = Dogs.shepherd;  switch (myDog) {  case collie:  System.out.print(”collie “);  case default:  System.out.print(”retriever “); case harrier:  System.out.print(”harrier “);  }  }  }  What is the result?() A、 harrierB、 shepherdC、 retrieverD、 Compilation fails.E、 retriever harrierF、 An exception is thrown at runtime.

考题 Runnable r = new Runnable() {  public void run() {  System.out.print(”Cat”);  }  };  Threadt=new Thread(r) {  public void run() {  System.out.print(”Dog”);  }  };  t.start();  What is the result?() A、 CatB、 DogC、 Compilation fails.D、 The code runs with no output.E、 An exception is thrown at runtime.

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 11. static class A {  12. void process() throws Exception { throw new Exception(); }  13. }  14. static class B extends A {  15. void process() { System.out.println(”B”); }  16. }  17. public static void main(String[] args) {  18. new B().process();  19. }  What is the result?() A、 BB、 The code runs with no output.C、 Compilation fails because of an error in line 12.D、 Compilation fails because of an error in line 15.E、 Compilation fails because of an error in line 18.

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 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 11.classa {  12. public void process() { System.out.print(”a,”); } }  13. class b extends a {  14. public void process() throws IOException {  15. super.process();  16. System.out.print(”b,”);  17. throw new IOException();  18. } }  19. public static void main(String[] args) {  20. try { new b().process(); }  21. catch (IOException e) { System.out.println(”Exception”); } }  What is the result?() A、 ExceptionB、 a,b,ExceptionC、 Compilation fails because of an error in line 20.D、 Compilation fails because of an error in line 14.E、 A NullPointerException is thrown at runtime.

考题 Given:   11. static class A {   12. void process() throws Exception { throw new Exception(); }   13. }   14. static class B extends A {   15. void process() { System.out.println("B "); }   16. }   17. public static void main(String[] args) {   18. A a = new B();   19. a.process();   20. }   What is the result? ()A、 Compilation fails because of an error in line 19.B、 An exception is thrown at runtime.C、 BD、 Compilation fails because of an error in line 18.E、 Compilation fails because of an error in line 15. F、 The code runs with no output.

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11. static class A {  12. void process() throws Exception { throw new Exception(); }  13. }  14. static class B extends A {  15. void process() { System.out.println(”B”); }  16. }  17. public static void main(String[] args) {  18. new B().process();  19. }  What is the result?()A  BB  The code runs with no output.C  Compilation fails because of an error in line 12.D  Compilation fails because of an error in line 15.E  Compilation fails because of an error in line 18.

考题 单选题public class Pet{  public void speak(){   System.out.print(“ Pet ”);  }  }   public class Cat extends Pet{  public void speak(){   System.out.print(“ Cat ”);  }  }   public class Dog extends Pet{  public void speak(){   System.out.print(“ Dog ”);  }  }   执行代码   Pet[] p = {new Cat(),new Dog(),new Pet()};   for(int i=0;i〈p.length;i++)   p[i].speak();   后输出的内容是哪项?()A Pet Pet PetB Cat Cat CatC Cat Dog PetD Cat Dog Dog

考题 单选题class One {  public One() { System.out.print(1); }  }  class Two extends One {  public Two() { System.out.print(2); }  }  class Three extends Two {  public Three() { System.out.print(3); }  }  public class Numbers{  public static void main( String[] argv) { new Three(); }  }  What is the result when this code is executed?()A  1B  3C  123D  321E  The code rims with no output.

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 Pet{     private String name;     public Pet(String name){       this.name = name;    }  public void speak(){     System.out.print(name); }  }  public class Dog extends Pet{     public Dog(String name){       super(name);    }  public void speak(){    super.speak();  System.out.print(“ Dog ”);    } }  执行代码   Pet pet = new Dog(“京巴”);  pet.speak();  后输出的内容是哪项?()A  京巴B  京巴 DogC  nullD  Dog京巴

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

考题 单选题Runnable r = new Runnable() {  public void run() {  System.out.print(”Cat”);  }  };  Threadt=new Thread(r) {  public void run() {  System.out.print(”Dog”);  }  };  t.start();  What is the result?()A  CatB  DogC  Compilation fails.D  The code runs with no output.E  An exception is thrown at runtime.

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

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 单选题下列程序的运行结果是(  )。class Shape{ public Shape(){ System.out.print("Shape"); }}class Circle extends Shape{ public Circle(){ System.out.print("Circle"); }}public class Test{ public static void main(String[]args){ Shape d=new Circle(); }}A ShapeB CircleC ShapeCircleD 程序有错误