Which two code fragments will execute the method doStuff() in a separate thread?()A、 new Thread() { public void run() { doStuff(); } }B、 new Thread() { public void start() { doStuff(); } }C、 new Thread() { public void start() { doStuff(); } } .run();D、 new Thread() { public void run() { doStuff(); } } .start();E、 new Thread(new Runnable() { public void run() { doStuff(); } } ).run();F、 new Thread(new Runnable() { public void run() { doStuff(); } }).start();

Which two code fragments will execute the method doStuff() in a separate thread?()

  • A、 new Thread() { public void run() { doStuff(); } }
  • B、 new Thread() { public void start() { doStuff(); } }
  • C、 new Thread() { public void start() { doStuff(); } } .run();
  • D、 new Thread() { public void run() { doStuff(); } } .start();
  • E、 new Thread(new Runnable() { public void run() { doStuff(); } } ).run();
  • F、 new Thread(new Runnable() { public void run() { doStuff(); } }).start();

相关考题:

Given:Which three methods, inserted individually at line 14, will correctly complete class Two?() A.int foo() { /* more code here */ }B.void foo() { /* more code here */ }C.public void foo() { /* more code here */ }D.private void foo() { /* more code here */ }E.protected void foo() { /* more code here */ }

Given:Which two changes, taken together, would guarantee the output: 1, 2, 3, 4, 5, ?() A.move the line 12 print statement into the foo() methodB.change line 7 to public synchronized void go() {C.change the variable declaration on line 2 to private volatile int x;D.wrap the code inside the foo() method with a synchronized( this ) blockE.wrap the for loop code inside the go() method with a synchronized block synchronized(this){ //for loop code here }

Click the Exhibit button. Given:Which two statements are true if a NullPointerException is thrown on line 3 of class C? () A.The application will crash.B.The code on line 29 will be executed.C.The code on line 5 of class A will execute.D.The code on line 5 of class B will execute.E.The exception will be propagated back to line 27.

Given that: Gadget has-a Sprocket and Gadget has-a Spring and Gadget is-a Widget and Widget has-a Sprocket Which two code fragments represent these relationships? () A.B.C.D.E.F.

Which two EAP types does the Cisco Unified Wireless IP Phone 7921G firmware code version 1.3(x) support?()A、EAP-TLSB、EAP-TTLSC、EAP-SIMD、PEAPv1/EAP-GTCE、LEAP

class One {  void foo() {}  }  class Two extends One {   //insert method here  }  Which three methods, inserted individually at line 14, will correctly complete class Two?()A、 int foo() { /* more code here */ }B、 void foo() { /* more code here */ }C、 public void foo() { /* more code here */ }D、 private void foo() { /* more code here */ }E、 protected void foo() { /* more code here */ }

Which two are characteristics of the Service Locator pattern?()A、It encapsulates component lookup procedures.B、It increases source code duplication and decreases reuse.C、It improves client performance by caching context and factory objects.D、It degrades network performance due to increased access to distributed lookup services.

You are creating a new JSP page and you need to execute some code that acts when the page is firstexecuted, but only once. Which three are possible mechanisms for performing this initialization code?()A、In the init method.B、In the jspInit method.C、In the constructor of the JSP’s Java code.D、In a JSP declaration, which includes an initializer block.E、In a JSP declaration, which includes a static initializer block.

public class Team extends java.util.LinkedList {  public void addPlayer(Player p) {  add(p);  }  public void compete(Team opponent) { /* more code here */ }  }  class Player { /* more code here */ }  Which two are true?()A、 This code will compile.B、 This code demonstrates proper design of an is-a relationship.C、 This code demonstrates proper design of a has-a relationship.D、 A Java programmer using the Team class could remove Player objects from a Team object.

Which the two are characteristics of the Service Locator pattern?()A、 It encapsulates component lookup proceduresB、 It increases source code duplication and decreases reuseC、 It improves client performance by caching context and factory objectsD、 It degrades network performance due to increased access to distributed lookup services

Which code fragments will succeed in initializing a two-dimensional array named tab with a size that will cause the expression tab[3][2] to access a valid element?()   CODE FRAGMENT a:  int[][] tab = {  { 0, 0, 0 },  { 0, 0, 0 }  };   CODE FRAGMENT b:  int tab[][] = new int[4][];  for (int i=0; i   CODE FRAGMENT c:  int tab[][] = {  0, 0, 0, 0,  0, 0, 0, 0,  0, 0, 0, 0,  0, 0, 0, 0  };   CODE FRAGMENT d:  int tab[3][2];   CODE FRAGMENT e:  int[] tab[] = { {0, 0, 0}, {0, 0, 0}, {0, 0, 0}, {0, 0, 0} };  A、Code fragment a.B、Code fragment b.C、Code fragment c.D、Code fragment d.E、Code fragment e.

You are creating a custom user control. The custom user control will be used on 10 Web Forms for an ASP.NET Web site that allows users to register and log on to a personalized experience. The custom user control uses two TextBox controls and two Button controls. You need to ensure that the controls are visible only when users are not logged on to the Web site. You also need to minimize the amount of effort in development and maintenance for the Web site. Which two actions should you perform? ()A、Add the OnClick event handler for the Login button to the code used in the custom user control.B、Add the OnClick event handler for the Login button to the code used in the Web Form where the control is added.C、In the Page_Load method of the Web Form, add a code segment to set the visibility of the TextBox and Button controls where the control is added.D、In the Page_Load method of the custom user control, add a code segment to set the visibility of the TextBox and Button controls.

多选题Click the Exhibit button.   Given: Which two statements are true if a NullPointerException is thrown on line 3 of class C?()AThe application will crash.BThe code on line 29 will be executed.CThe code on line 5 of class A will execute.DThe exception will be propagated back to line 27.EThe code on line 5 of class B will execute.

多选题Given:   10. class One {   11. void foo() { }   12. }   13. class Two extends One {   14. //insert method here   15. }   Which three methods, inserted individually at line 14, will correctly complete class Two?()Apublic void foo() { /* more code here */ }Bprivate void foo() { /* more code here */ }Cprotected void foo() { /* more code here */ }Dint foo() { /* more code here */ }Evoid foo() { /* more code here */ }

多选题Given:   11. // insert code here   12. private N min, max;   13. public N getMin() { return min; }   14. public N getMax() { return max; }   15. public void add(N added) {   16. if (min == null || added.doubleValue()  max.doubleValue())  19. max = added;   20. }   21. }   Which two, inserted at line 11, will allow the code to compile?()AABBCCDDEEFF

多选题14. DateFormat df;  15. Date date = new Date();  16. //insert code here  17. String s = df.format( date);  Which two,inserted independently at line 16, allow the code to compile?()Adf= new DateFormat();Bdf= Date.getFormatter();Cdf= date.getFormatter();Ddf= date.getDateFormatter();Edf = DateFormat.getDateInstance();Fdf= DateFormat.getInstance();

多选题class One {  void foo() {}  }  class Two extends One {   //insert method here  }  Which three methods, inserted individually at line 14, will correctly complete class Two?()Aint foo() { /* more code here */ }Bvoid foo() { /* more code here */ }Cpublic void foo() { /* more code here */ }Dprivate void foo() { /* more code here */ }Eprotected void foo() { /* more code here */ }

多选题Given: Which three methods, inserted individually at line 14, will correctly complete class Two?()Aint foo() { /* more code here */ }Bvoid foo() { /* more code here */ }Cpublic void foo() { /* more code here */ }Dprivate void foo() { /* more code here */ }Eprotected void foo() { /* more code here */ }

多选题public class Team extends java.util.LinkedList {  public void addPlayer(Player p) {  add(p);  }  public void compete(Team opponent) { /* more code here */ }  }  class Player { /* more code here */ }  Which two are true?()AThis code will compile.BThis code demonstrates proper design of an is-a relationship.CThis code demonstrates proper design of a has-a relationship.DA Java programmer using the Team class could remove Player objects from a Team object.

多选题Which the two are characteristics of the Service Locator pattern?()AIt encapsulates component lookup proceduresBIt increases source code duplication and decreases reuseCIt improves client performance by caching context and factory objectsDIt degrades network performance due to increased access to distributed lookup services

多选题Which two options can be used as traffic descriptors when classifying and marking traffic? ()Aincoming interfaceBLayer 2 differentiated services code point (DSCP)CLayer 3 IP precedenceDoutgoing interface

多选题Which two code fragments correctly create and initialize a static array of int elements?()AABBCCDD

多选题Which code fragments will succeed in initializing a two-dimensional array named tab with a size that will cause the expression tab[3][2] to access a valid element?()   CODE FRAGMENT a:  int[][] tab = {  { 0, 0, 0 },  { 0, 0, 0 }  };   CODE FRAGMENT b:  int tab[][] = new int[4][];  for (int i=0; i   CODE FRAGMENT c:  int tab[][] = {  0, 0, 0, 0,  0, 0, 0, 0,  0, 0, 0, 0,  0, 0, 0, 0  };   CODE FRAGMENT d:  int tab[3][2];   CODE FRAGMENT e:  int[] tab[] = { {0, 0, 0}, {0, 0, 0}, {0, 0, 0}, {0, 0, 0} };ACode fragment a.BCode fragment b.CCode fragment c.DCode fragment d.ECode fragment e.

单选题Final exams were incredibly comprehensive, and went on for two weeks, which length made it seem as if they would never end.Acomprehensive, and went on for two weeks, which length madeBcomprehensive and since they went on for two weeks, that madeCcomprehensive and, since they went on for two weeks, to makeDcomprehensive and went on for two weeks, which madeEcomprehensive and, by going on for two weeks, it made

多选题Which two are characteristics of the Service Locator pattern?()AIt encapsulates component lookup procedures.BIt increases source code duplication and decreases reuse.CIt improves client performance by caching context and factory objects.DIt degrades network performance due to increased access to distributed lookup services.

多选题10. class Foo {  11. static void alpha() { /* more code here */ }  12. void beta() { /* more code here */ }  13. }  Which two are true?()AFoo.beta() is a valid invocation of beta().BFoo.alpha() is a valid invocation of alpha().CMethod beta() can directly call method alpha().DMethod alpha() can directly call method beta().

多选题Which two EAP types does the Cisco Unified Wireless IP Phone 7921G firmware code version 1.3(x) support?()AEAP-TLSBEAP-TTLSCEAP-SIMDPEAPv1/EAP-GTCELEAP

多选题Which two code fragments are most likely to cause a StackOverflowError?()AABBCCDDEEFF