assert的作用是什么?

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  A . no output B . no output assert is on C . assert is on D . no output ， An Assertion Error is thrown. E . assert is on ， An AssertionError is thrown.

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• 11. public class Test {  12. public void foo（） {  13. assert false；  14. assert false；  15. }  16. public void bar（）{  17. while（true）{  18. assert false；  19. }  20. assert false；  21. }  22. }  What causes compilation to fail？（）  

  A .  Line 13 B .  Line 14 C .  Line 18 D .  Line 20

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• Given: https://assets.asklib.com/images/image2/2018080209371645309.jpg If class Donkey is invoked twice, the first time without assertions enabled, and the second time with assertions enabled, what are the results?（）

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• public class Test {  public static void main（String[] args） {  int x = 0；  assert （x > 0） ？ “assertion failed” ： “assertion passed”；  System.out.println（“Finished”）；  }  }  What is the result？（）  

  A .  finished B .  Compilation fails. C .  An AssertionError is thrown and finished is output. D .  An AssertionError is thrown with the message “assertion failed”. E .  An AssertionError is thrown with the message “assertion passed”.

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• Given： https://assets.asklib.com/images/image2/2018080113522031877.png If class Donkey is invoked twice， the first time without assertions enabled， and the second time with assertions enabled， what are the results？（）

  A . no output B . no outputassert is on C . assert is on D . no outputAn AssertionError is thrown. E . assert is onAn AssertionError is thrown.

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• public class Test {  public static void main（String [] args） {  boolean assert = true；  if（assert） {  System.out.println（”assert is true”）；  }  }  } Given：  javac -source 1.3 Test.java  What is the result？（） 

  A .  Compilation fails. B .  Compilation succeeds with errors. C .  Compilation succeeds with warnings. D .  Compilation succeeds without warnings or errors.

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• public class test {  public static void main（String [] a） {  assert a.length == 1；  }  }  Which two will produce an AssertionError？（）

  A .  java test B .  java -ea test C .  java test file1 D .  java -ea test file1 E .  java -ea test file1 file2 F .  java -ea：test test file1

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• 关于断言assert正确的说法有（）    

  A . 断言是一个包含布尔表达式的语句 B . 执行断言语句时假定该表达式为 false C . 断言可以有两种形式 D . 当断言表达式为false的时候，系统报告一个Assertionerror

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• 在PIM 协议中，ASSERT 选择转发器时，首先考虑什么因素（） 

  A .  路由优先级 B .  度量值 C .  路由类型 D .  IP 地址

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• public class Test {  public static void main（String[] args） {  int x = 0；  assert （x > 0）： “assertion failed”；  System.out.println（“finished”）；  }  }  What is the result？（）  

  A .  finished B .  Compilation fails. C .  An AssertionError is thrown. D .  An AssertionError is thrown and finished is output.

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• Given： https://assets.asklib.com/images/image2/201808011048086943.png If class Donkey is invoked twice， the first time without assertions enabled，and the second time with assertions enabled， what are the results？（）

  A . no output B . no outputassert is on C . assert is on D . no outputAn AssertionError is thrown. E . assert is onAn AssertionError is thrown.

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• Which statement is true about assertion in the Java programming language？（）  

  A .  Assertion expressions should not contain side effects. B .  Assertion expression values can be any primitive type. C .  Assertion should be used for enforcing preconditions on public methods. D .  An AssertionError thrown as a result of a failed assertion should always be handled by the enclosing method.

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• What hypothesis asserts that good things happens to good people and bad things happen to bad people?

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• 网桥的作用是什么？网桥的作用是什么？

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• According to the passage, Leonard asserts that women's activities during the Civil War had all of the following positive effects EXCEPT

  A．They were lauded as aiding the war cause. B．They improved women's economic situation. C．They were considered proof of women's abilities to organize themselves. D．They created new occupational opportunities for women. E．They improved women's images of themselves.

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• Programs were developed that could "prove" assertions by manipulating a database of facts in mathematical logic.

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• The author would most likely agree with the assertion that______.

  A．American businesses are superior to their foreign counterparts in all aspects due to their competitive nature B．in the future, American businesses will have to change and adapt in order to meet the new competition presented by foreign companies emulating their ways C．with its free-market nature, American businesses could easily compete against its foreign counterparts D．the free-market economic system is superior to all other market systems currently known

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• The author asserts that

  A．the risk for heart disease is definitely increasing B．there are links between depression and heart disease C．the high risk for heart disease can hardly be explained D．the reasons for higher risk of heart disease are obscure

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• The simile makes a by asserting that something is like something else.

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• He asserted that world 1 came into existence first, world 2 appeared at a new level,

  A．living B．nations C．belongs D．at

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• The author asserts that self-doubt is

  A．a negative attitude toward risk in life B．a pitfall everyone is bound to fall into C．a disorder everyone has to suffer from D．a mentality one has to struggle with in life

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• 安全性断言标记语言（Security Assertion Markup Language，简称SAML)的基本部分包括（)？

  A．绑定 B．配置 C．元数据 D．认证上下文 E．协议

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