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public class Bootchy {  int bootch;  String snootch;  public Bootchy() {  this(”snootchy”);  System.out.print(”first “);  }  public Bootchy(String snootch) {  this(420, “snootchy”);  System.out.print(”second “);  }  public Bootchy(int bootch, String snootch) {  this.bootch = bootch;  this.snootch = snootch;  System.out.print(”third “);  }  public static void main(String[] args) {  Bootchy b = new Bootchy();  System.out.print(b.snootch +“ “ + b.bootch);  }  }  What is the result?() 

  • A、 snootchy 420 third second first
  • B、 snootchy 420 first second third
  • C、 first second third snootchy 420
  • D、 third second first siiootchy 420
  • E、 third first second snootchy 420
  • F、 first second first third snootchy 420

参考答案

更多 “ public class Bootchy {  int bootch;  String snootch;  public Bootchy() {  this(”snootchy”);  System.out.print(”first “);  }  public Bootchy(String snootch) {  this(420, “snootchy”);  System.out.print(”second “);  }  public Bootchy(int bootch, String snootch) {  this.bootch = bootch;  this.snootch = snootch;  System.out.print(”third “);  }  public static void main(String[] args) {  Bootchy b = new Bootchy();  System.out.print(b.snootch +“ “ + b.bootch);  }  }  What is the result?() A、 snootchy 420 third second firstB、 snootchy 420 first second thirdC、 first second third snootchy 420D、 third second first siiootchy 420E、 third first second snootchy 420F、 first second first third snootchy 420” 相关考题
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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

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考题 Public class Holt extends Thread{   Private String sThreadName;   Public static void main(String argv[]) {  Holt  h=new Holt(); h.go(); Holt(){};  Holt(String s){ sThreadName=s;  Public String getThreadName() {  return sThreadName;} }  Public void go(){  Hot first=new Hot("first"); first.start();  Hot second=new Hot("second"); second.start();  }  Public void start() {  For(int i=0;i2;i++) {  System.out.print(getThreadName()+i); Try{  Thread.sleep(100); }catch(Exception e){  System.out.print(e.getMessage()) ;  } } }  }  当编译运行上面代码时,将会出现() A、编译时错误B、输出first0,second0,first0,second1C、输出first0,first1,second10,second1D、运行时错误

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考题 class ClassA {  public int numberOfinstances;  protected ClassA(int numberOfinstances) {  this.numberOflnstances = numberOfinstances;  }  }  public class ExtendedA extends ClassA {  private ExtendedA(int numberOfinstances) {  super(numberOflnstances);  }  public static void main(String[] args) {  ExtendedA ext = new ExtendedA(420);  System.out.print(ext.numberOflnstances);  }  }  Which is true?() A、 420 is the output.B、 An exception is thrown at runtime.C、 All constructors must be declared public.D、 Constructors CANNOT use the private modifier.E、 Constructors CANNOT use the protected modifier.

考题 class Beverage {   Beverage() { System.out.print("beverage "); }   }   class Beer extends Beverage {   public static void main(String [] args) {   Beer b = new Beer(14);   }   public int Beer(int x) {   this();   System.out.print("beer1 ");   }   public Beer() { System.out.print("beer2 "); }  }   结果是什么?()  A、beer1 beverageB、beer2 beverageC、beverage beer1D、编译失败

考题 public class Pet{     private String name;     public Pet(){  System.out.print(1);    }  public Pet(String name){        System.out.print(2);    } }  public class Dog extends Pet{     public Dog(){  System.out.print(4);    }  public Dog(String name){        this();  System.out.print(3);    } }  执行new Dog(“棕熊”);后程序输出是哪项?()  A、 143B、 423C、 243D、 1134

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 单选题public class Pet{     private String name;     public Pet(){  System.out.print(1);    }  public Pet(String name){        System.out.print(2);    } }  public class Dog extends Pet{     public Dog(String name){        System.out.print(3);    } }  执行new Dog(“棕熊”);后程序输出是哪项?()A  23B  13C  123D  321

考题 单选题public class Bootchy {  int bootch;  String snootch;  public Bootchy() {  this(”snootchy”);  System.out.print(”first “);  }  public Bootchy(String snootch) {  this(420, “snootchy”);  System.out.print(”second “);  }  public Bootchy(int bootch, String snootch) {  this.bootch = bootch;  this.snootch = snootch;  System.out.print(”third “);  }  public static void main(String[] args) {  Bootchy b = new Bootchy();  System.out.print(b.snootch +“ “ + b.bootch);  }  }  What is the result?()A  snootchy 420 third second firstB  snootchy 420 first second thirdC  first second third snootchy 420D  third second first siiootchy 420E  third first second snootchy 420F  first second first third snootchy 420

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 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 Pet{   private String name;   public Pet(){   System.out.print(1);  }   public Pet(String name){   System.out.print(2);  }   }   public class Dog extends Pet{  public Dog(String name){   //这里隐藏了一句代码:super.pet();   System.out.print(3);  }   }   执行new Dog(“棕熊”);后程序输出是哪项?()A  23B  1 3C  123D  321

考题 单选题class Beverage {   Beverage() { System.out.print("beverage "); }   }   class Beer extends Beverage {   public static void main(String [] args) {   Beer b = new Beer(14);   }   public int Beer(int x) {   this();   System.out.print("beer1 ");   }   public Beer() { System.out.print("beer2 "); }  }   结果是什么?()A beer1 beverageB beer2 beverageC beverage beer1D 编译失败

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