Which declarations of identifiers are legal？（）

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• The 8859-1 character code for the uppercase letter A is 65. Which of these code fragments declare and initialize a variable of type char with this value？（）  

  A . char ch = 65； B . char ch = ’¥65’； C . char ch = ’¥0041’； D . char ch = ’A’； E . char ch = "A"；

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• Which two declarations prevent the overriding of a method？ （）

  A .  Final void methoda（）{} B .  Void final methoda（）{} C .  Static void methoda（）{} D .  Static final void methoda（）{} E .  Final abstract void methoda（）{}

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• Which two declarations prevent the overriding of a method？（） 

  A .  Final void methoda（） {} B .  Void final methoda（） {} C .  Static void methoda（） {} D .  Static final void methoda（） {} E .  Final abstract void methoda（） {}

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• Which will declare a method that is available to all members of the same package and can be referenced without an instance of the class？（）  

  A .  Abstract public void methoda（）； B .  Public abstract double methoda（）； C .  Static void methoda（double d1）{} D .  Public native double methoda（）  {} E .  Protected void methoda（double d1）  {}

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• If the bill of lading（）contain a space in which the shipper can insert the declared value of the goods，the Shipowner is not entitled to limit his liability.

  A . does B . did C . does not D . will not

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• Which two pieces of information are needed when declaring the web resource collection in the deployment descriptor？（）

  A .  the URL pattern that requires authorization B .  the HTTP methods that require authorization C .  the users allowed access to the web resource D .  the J2EE roles allowed access to the web resource E .  the authentication mechanism required by the web resource

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• Which two valid declarations of a char？（）   

  A .  Char ch = “a”； B .  Char ch = ‘\’ ‘； C .  Char ch = ‘cafe’； D .  Char ch = “cafe”； E .  Char ch = ‘\ucafe’； F .  Char ch = ‘\u10100’； G .  Char ch = （char） true；

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• Which will declare a method that is available to all members of the same package and be referenced without an instance of the class？（）

  A .  abstract public void methoda （）； B .  public abstract double inethoda （）； C .  static void methoda （double dl） {} D .  public native double methoda （） {} E .  protected void methoda （double dl） {}

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• Which of the following statements about declaration are true？（）         

  A .  Declaration of primitive types such as boolean， byte and so on does not allocate memory space for the variable. B .  Declaration of primitive types such as boolean， byte and so on allocates memory space for the variable. C .  Declaration of nonprimitive types such as String， Vector and so on does not allocate memory space for the object. D .  Declaration of nonprimitive types such as String， Vector ans so on allocates memory space for the object.

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• Which declaration prevents creating a subclass of an outer class？（）  

  A .  Static class FooBar{} B .  Private class FooBar{} C .  Abstract public class FooBar{} D .  Final public class FooBar{} E .  Final abstract class FooBar{}

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• Which three form part of correct array declarations？（）  

  A .  public int a [] B .  static int [] a C .  public [] int a D .  private int a [3] E .  private int [3] a [] F .  public final int [] a

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• A JavaBeans component has the following field： 11. private boolean enabled； Which two pairs of method declarations follow the JavaBeans standard for accessing this field？（） https://assets.asklib.com/images/image2/201808011600242968.jpg

  A . A B . B C . C D . D

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• Which lines of code are valid declarations of a native method when occurring within the declaration of the following class？（）    public class Qf575 {   // insert declaration of a native method here   }  

  A . native public void setTemperature（int kelvin）； B . private native void setTemperature（int kelvin）； C . protected int native getTemperature（）； D . public abstract native void setTemperature（int kelvin）； E . native int setTemperature（int kelvin） {}

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• Which will declare a method that is available to all members of the same package and can be referenced  without an instance of the class？（）  

  A .  Abstract public void methoda（）； B .  Public abstract double methoda（）； C .  Static void methoda（double d1）{} D .  Public native double methoda（）{} E .  Protected void methoda（double d1）{}

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• Which modifiers and return types would be valid in the declaration of a working main（） method for a Java standalone application？（）  

  A . private B . final C . static D . int E . abstract

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• Which three are valid declarations of a float？ （） 

  A .  Float foo = -1； B .  Float foo = 1.0； C .  Float foo = 42e1； D .  Float foo = 2.02f； E .  Float foo = 3.03d； F .  Float foo = 0x0123；

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• Which expressions are correct to declare an array of 10 String objects？ （）   

  A .  char str[]； B .  char str[][]； C .  String str[]； D .  String str[10]；

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• Which the three are valid declarations of a float？（）

  A .  float foo = -1； B .  float foo = 1.0； C .  float foo = 42el： D .  float foo = 2.02f： E .  float foo = 3.03d：

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• A JavaBeans component has the following field：  11. private boolean enabled；  Which two pairs of method declarations follow the JavaBeans standard for accessing this field？（）

  A .  public void setEnabled（ boolean enabled） public boolean getEnabled（） B .  public void setEnabled（ boolean enabled） public void isEnabled（） C .  public void setEnabled（ boolean enabled） public boolean isEnabled（） D .  public boolean setEnabled（ boolean enabled） public boolean getEnabled（）

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• Which two are valid declarations of a float？（）

  A .  float f = 1F； B .  float f = 1.0.； C .  float f = ‘1’； D .  float f = “1”； E .  float f = 1.0d；

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• The Waste Land is written by T. S. Eliot in which the theme of the ( ) of the post-World War I generation is declared to the reader.

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• In 1534, Parliament passed the_____. according to which Henry VIII was declared the head of the English Church.

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• 听力原文：The Fourth of July is the Independence Day. It was on July 4, 1776. that the Declaration of independence was signed, proclaiming the independence from England of the thirteen original colonies which later became known as the United State of America.

  (30) A．The 4th of July is coming at hand. B．Independence Day was the day on which Pearl Harbor was bombed. C．The 4th of July marks America's freedom from England. D．July 4th is President Washington's birthday.

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• On entry of the US, you’re required to fill in a ___________ form, part of which is about your travelling information, and the other part is about what you bring into US. （declare)

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