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单选题
Given： 1.package test； 2. 3.class Target { 4.public String name = "hello"；5.} What can directly access and change the value of the variable name？（）
A
any class
B
only the Target class
C
any class in the test package
D
any class that extends Target
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10. public class ClassA { 11. public void methodA（） { 12. ClassB classB = new ClassB（）； 13. classB.getValue（）； 14. } 15. } And： 20. class ClassB { 21. public ClassC classC； 22. 23. public String getValue（） { 24. return classC.getValue（）； 25. } 26. } And： 30. class ClassC { 31. public String value； 32. 33. public String getValue（） { 34. value = “ClassB”； 35. return value； 36. } 37. } Given： ClassA a = new ClassA（）； a.methodA（）； What is the result？（）A、 Compilation fails.B、 ClassC is displayed.C、 The code runs with no output.D、 An exception is thrown at runtime.
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Given： 1.package test； 2. 3.class Target { 4.public String name = "hello"；5.} What can directly access and change the value of the variable name？（）A、any classB、only the Target classC、any class in the test packageD、any class that extends Target
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单选题What limitations exist for a SAML Partner Provider ID configured at the Identity Provider?（）A
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考题
单选题package geometry； public class Hypotenuse { public InnerTriangle it = new InnerTriangle（）； class InnerTriangle { public int base； public int height； } } Which is true about the class of an object that can reference the variable base？ （）A
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考题
单选题package test； class Target{ public String name="hello"； } What can directly access and change the value of the variable name？（）A
any classB
only the Target classC
any class in the test packageD
any class that extends Target
考题
单选题以target.test.com所在网络上的所有个IP地址为目标，通过秘密SYN扫描方式，探测所有活动主机的命令为（）。A
nmap -ss -o target.test.com/24B
nmap -sU -O target.test.com/24C
nmap -sS -O target.test.com/24D
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考题
单选题when a user clicks a link in the left frame of the Review application, the linked data displays in the frame on the right. What did Kristin to do allow this to happen?（）A
entered the name of the target frame in hotspot propertiesB
entered the name of the target in frameset propertiesC
entered the position of the target frame in frame propertiesD
entered the position of target frame in hotspot properties. a name other than location
考题
单选题Given： 1.package test； 2. 3.class Target { 4.public String name = "hello"；5.} What can directly access and change the value of the variable name？（）A
any classB
only the Target classC
any class in the test packageD
any class that extends Target
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单选题10. public class ClassA { 11. public void methodA（） { 12. ClassB classB = new ClassB（）； 13. classB.getValue（）； 14. } 15. } And： 20. class ClassB { 21. public ClassC classC； 22. 23. public String getValue（） { 24. return classC.getValue（）； 25. } 26. } And： 30. class ClassC { 31. public String value； 32. 33. public String getValue（） { 34. value = “ClassB”； 35. return value； 36. } 37. } Given： ClassA a = new ClassA（）； a.methodA（）； What is the result？（）A
Compilation fails.B
ClassC is displayed.C
The code runs with no output.D
An exception is thrown at runtime.
考题
单选题class A { public A（） { System.out.println（“hello from a”）； } } class B extends A { public B （） { System.out.println（“hello from b”）； super（）； } } public class Test { public static void main（String args[]） { A a = new B（）； } } What is the result when main is executed？（）A
Compilation fails.B
hello from aC
hello from bD
hello from b hello from aE
hello from a hello from b
考题
单选题package test； class Target { public String name = “hello”； } What can directly access and change the value of the variable name？（）A
any classB
only the Target classC
any class in the test packageD
any class that extends Target
考题
单选题1. public class Target { 2. private int i = 0； 3. public int addOne（） { 4. return ++i； 5. } 6. } And： 1. public class Client { 2. public static void main（String[] args） { 3. System.out.println（new Target（）.addOne（））； 4. } 5. } Which change can you make to Target without affecting Client？（）A
Line 4 of class Target can be changed to return i++；B
Line 2 of class Target can be changed to private int i = 1；C
Line 3 of class Target can be changed to private int addOne（） {D
Line 2 of class Target can be changed to private Integer i = 0；
考题
多选题Class TestException 1. public class TestException extends Exception { 2. } Class a： 1. public class a { 2. 3. public String sayHello（String name） throws TestException { 4. 5. if（name == null） { 6. throw new TestException（）； 7. } 8. 9. return “Hello “+ name； 10. } 11. 12. } A programmer wants to use this code in an application： 45. A a=new A（）； 46. System.out.println（a.sayHello（”John”））； Which two are true？（）AClass a will not compile.BLine 46 can throw the unchecked exception TestException.CLine 45 can throw the unchecked exception TestException.DLine 46 will compile if the enclosing method throws a TestException.ELine 46 will compile if enclosed in a try block， where TestException is caught.
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