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单选题
Given the JSP code: and the Classic tag handler code: 5. public int doStartTag() throws JspException { 6. // insert code here 7. // return int 8. } Assume there are no other "foo" attributes in the web application. Which invocation on the pageContextobject,inserted at line 6,assigns "bar" to the variable x?()
A

String x = (String) pageContext.getAttribute(foo)

B

String x = (String) pageContext.getRequestScope(foo)

C

It is NOT possible to access the pageContext object from within doStartTag

D

String x = (String) pageContext.getRequest().getAttribute(foo)

E

String x = (String) pageContext.getAttribute(foo, PageContext.ANY_SCOPE)


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更多 “单选题Given the JSP code: and the Classic tag handler code: 5. public int doStartTag() throws JspException { 6. // insert code here 7. // return int 8. } Assume there are no other "foo" attributes in the web application. Which invocation on the pageContextobject,inserted at line 6,assigns "bar" to the variable x?()A String x = (String) pageContext.getAttribute(foo)B String x = (String) pageContext.getRequestScope(foo)C It is NOT possible to access the pageContext object from within doStartTagD String x = (String) pageContext.getRequest().getAttribute(foo)E String x = (String) pageContext.getAttribute(foo, PageContext.ANY_SCOPE)” 相关考题
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 */ }

考题 Given:Which method will complete this class?() A.public int compareTo(Object o){/*more code here*/}B.public int compareTo(Score other){/*more code here*/}C.public int compare(Score s1,Score s2){/*more code here*/}D.public int compare(Object o1,Object o2){/*more code here*/}

考题 Given:Which code, inserted at line 15, allows the class Sprite to compile?() A.Foo { public int bar() { return 1; }B.new Foo { public int bar() { return 1; }C.new Foo() { public int bar() { return 1; }D.new class Foo { public int bar() { return 1; }

考题 Given: 3.public class MyTagHandler extends TagSupport { 4.public int doStartTag() { 5.// insert code here 6.// return an int 7.} 8.// more code here ... 18.} There is a single attribute foo in the session scope. Which three code fragments,inserted independently atline 5,return the value of the attribute?()A、Object o = pageContext.getAttribute("foo");B、Object o = pageContext.findAttribute("foo");C、Object o = pageContext.getAttribute("foo",PageContext.SESSION_SCOPE);D、HttpSession s = pageContext.getSession();Object o = s.getAttribute("foo");

考题 class One {  void foo() {}  }  class Two extends One {   //insert method here  }  Which three methods, inserted individually at line 14, will correctly complete class Two?()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 */ }

考题 1.class SuperFo{   2. SuperFo doStuff(int x){   3.return new SuperFo()   4.}   5.}  6.   7.class Foo extends SuperFo{   8.//insert code here   9.}   和四个声明:   Foo doStuff(int x){return new Foo();}   Foo doStuff(int x){return new SuperFoo();}   SuperFoo doStuff(int x){return new foo();}   SuperFoo doStuff(int y){return new SuperFoo();}   分别插入到第8行,有几个可以通过编译 ()A、1B、2C、3D、4E、5

考题 Given the following code, which method declarations, when inserted at the indicated position, will not cause the program to fail compilation?()   public class Qdd1f {   public long sum(long a, long b) {  return a + b;  }   // insert new method declaration here  }  A、public int sum(int a, int b) { return a + b; }B、public int sum(long a, long b) { return 0; }C、abstract int sum();D、private long sum(long a, long b) { return a + b; }E、public long sum(long a, int b) { return a + b; }

考题 10. interface Foo { int bar(); }  11. public class Sprite {  12. public int fubar( Foo foo) { return foo.bar(); }  13. public void testFoo() {  14. fubar(  15. // insert code here  16.);  17. }  18. }  Which code, inserted at line 15, allows the class Sprite to compile?() A、 Foo { public int bar() { return 1; } }B、 new Foo { public int bar() { return 1; } }C、 newFoo() { public int bar(){return 1; } }D、 new class Foo { public int bar() { return 1; } }

考题 现有:   1. class Synapse {    2.    protected int gap() { return 7; }    3. }   4.     5. class Creb extends Synapse {    6.   // insert code here   7. }    分别插入到第 6 行,哪三行可以编译?()A、 int gap() { return 7; }B、 public int gap() { return 7; }C、 private int gap(int x) { return 7; }D、 protected Creb gap() { return this; }E、 public int gap() { return Integer.getInteger ("42"); }

考题 public class Score implements Comparable {  private int wins, losses;  public Score(int w, int 1) { wins = w; losses = 1; }  public int getWins() { return wins; }  public int getLosses() { return losses; }  public String toString() {  return ““ + wins + “,“ + losses + “”; }  // insert code here  }  Which method will complete this class?() A、 public int compareTo(Object o) {/*mode code here*/}B、 public int compareTo(Score other) {/*more code here*/}C、 public int compare(Score s1,Score s2){/*more code here*/}D、 public int compare(Object o1,Object o2){/*more code here*/}

考题 1. class SuperFoo {  2. SuperFoo doStuff(int x) {  3. return new SuperFoo(); 4. }  5. }  6.  7. class Foo extends SuperFoo {  8. //insert code here  9. }   下面哪三项分别插入到第8行,可以编译?()A、int doStuff() { return 42; }B、int doStuff(int x) { return 42; }C、Foo doStuff(int x) { return new Foo(); }D、SuperFoo doStuff(int x) { return new Foo(); }

考题 Given: 5.public class MyTagHandler extends TagSupport { 6.public int doStartTag() throws JspException { 7.try { 8.// insert code here 9.} catch(Exception ex) { /* handle exception */ } 10.return super.doStartTag(); 11.}...42. } Which code snippet, inserted at line 8,causes the value foo to be output?()A、JspWriter w = pageContext.getOut();B、print("foo");C、JspWriter w = pageContext.getWriter();D、JspWriter w = new JspWriter(pageContext.getWriter()); . w.print("foo");

考题 Given the JSP code: % request.setAttribute("foo", "bar"); %and the Classic tag handler code: 5. public int doStartTag() throws JspException { 6. // insert code here 7. // return int 8. } Assume there are no other "foo" attributes in the web application. Which invocation on the pageContextobject,inserted at line 6,assigns "bar" to the variable x?()A、String x = (String) pageContext.getAttribute("foo")B、String x = (String) pageContext.getRequestScope("foo")C、It is NOT possible to access the pageContext object from within doStartTagD、String x = (String) pageContext.getRequest().getAttribute("foo")E、String x = (String) pageContext.getAttribute("foo", PageContext.ANY_SCOPE)

考题 10. public class Foo implements java.io.Serializable {  11. private int x;  12. public int getX() { return x; }  12.publicFoo(int x){this.x=x; }  13. private void writeObject( ObjectOutputStream s)  14. throws IOException {  15. // insert code here  16. }  17. }  Which code fragment, inserted at line 15, will allow Foo objects to be correctly serialized and deserialized?() A、 s.writeInt(x);B、 s.serialize(x);C、 s.writeObject(x);D、 s.defaultWriteObject();

考题 1. import java.io.*;  2. public class Foo implements Serializable {  3. public int x, y;  4. public Foo( int x, int y) { this.x = x; this.y = y; }  5.  6. private void writeObject( ObjectOutputStream s)  7. throws IOException {  8. s.writeInt(x); s.writeInt(y)  9. }  10.  11. private void readObject( ObjectInputStream s)  12. throws IOException, ClassNotFoundException {  13.  14. // insert code here  15.  16. }  17. }  Which code, inserted at line 14, will allow this class to correctly serialize and deserialize?() A、 s.defaultReadObject();B、 this = s.defaultReadObject();C、 y = s.readInt(); x = s.readInt();D、 x = s.readInt(); y = s.readInt();

考题 现有:  1.class SuperFoo{  2.SuperFoo doStuff (int x)  {      3.return new SuperFoo();      4.    }      5.  }      6.  7. class Foo extends SuperFoo  {     8.    //insert code here     9.  }  和四个声明:   Foo doStuff (int x)  {  return new Foo();  }  Foo doStuff (int x)  {  return new SuperFoo();  }      SuperFoo doStuff(int x)  {  return new Foo();  }  SuperFoo doStuff(int y)  {  return new SuperFoo();  }    分别插入到第8行,有几个可以通过编泽?()    A、 1B、 2C、 3D、 4

考题 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?()A、 public void foo() { /* more code here */ }B、 private void foo() { /* more code here */ }C、 protected void foo() { /* more code here */ }D、 int foo() { /* more code here */ }  E、 void foo() { /* more code here */ }

考题 多选题1. class SuperFoo {  2. SuperFoo doStuff(int x) {  3. return new SuperFoo(); 4. }  5. }  6.  7. class Foo extends SuperFoo {  8. //insert code here  9. }   下面哪三项分别插入到第8行,可以编译?()Aint doStuff() { return 42; }Bint doStuff(int x) { return 42; }CFoo doStuff(int x) { return new Foo(); }DSuperFoo doStuff(int x) { return new Foo(); }

考题 单选题10. public class Foo implements java.io.Serializable {  11. private int x;  12. public int getX() { return x; }  12.publicFoo(int x){this.x=x; }  13. private void writeObject( ObjectOutputStream s)  14. throws IOException {  15. // insert code here  16. }  17. }  Which code fragment, inserted at line 15, will allow Foo objects to be correctly serialized and deserialized?()A  s.writeInt(x);B  s.serialize(x);C  s.writeObject(x);D  s.defaultWriteObject();

考题 单选题1.class SuperFo{   2. SuperFo doStuff(int x){   3.return new SuperFo()   4.}   5.}  6.   7.class Foo extends SuperFo{   8.//insert code here   9.}   和四个声明:   Foo doStuff(int x){return new Foo();}   Foo doStuff(int x){return new SuperFoo();}   SuperFoo doStuff(int x){return new foo();}   SuperFoo doStuff(int y){return new SuperFoo();}   分别插入到第8行,有几个可以通过编译 ()A 1B 2C 3D 4E 5

考题 单选题Given: 5.public class MyTagHandler extends TagSupport { 6.public int doStartTag() throws JspException { 7.try { 8.// insert code here 9.} catch(Exception ex) { /* handle exception */ } 10.return super.doStartTag(); 11.}...42. } Which code snippet, inserted at line 8,causes the value foo to be output?()A JspWriter w = pageContext.getOut();B print(foo);C JspWriter w = pageContext.getWriter();D JspWriter w = new JspWriter(pageContext.getWriter()); . w.print(foo);

考题 单选题现有:  1.class SuperFoo{  2.SuperFoo doStuff (int x)  {      3.return new SuperFoo();      4.    }      5.  }      6.  7. class Foo extends SuperFoo  {     8.    //insert code here     9.  }  和四个声明:   Foo doStuff (int x)  {  return new Foo();  }  Foo doStuff (int x)  {  return new SuperFoo();  }      SuperFoo doStuff(int x)  {  return new Foo();  }  SuperFoo doStuff(int y)  {  return new SuperFoo();  }    分别插入到第8行,有几个可以通过编泽?()A  1B  2C  3D  4

考题 单选题1. import java.io.*;  2. public class Foo implements Serializable {  3. public int x, y;  4. public Foo( int x, int y) { this.x = x; this.y = y; }  5.  6. private void writeObject( ObjectOutputStream s)  7. throws IOException {  8. s.writeInt(x); s.writeInt(y)  9. }  10.  11. private void readObject( ObjectInputStream s)  12. throws IOException, ClassNotFoundException {  13.  14. // insert code here  15.  16. }  17. }  Which code, inserted at line 14, will allow this class to correctly serialize and deserialize?()A  s.defaultReadObject();B  this = s.defaultReadObject();C  y = s.readInt(); x = s.readInt();D  x = s.readInt(); y = s.readInt();

考题 单选题public class Score implements Comparable {  private int wins, losses;  public Score(int w, int 1) { wins = w; losses = 1; }  public int getWins() { return wins; }  public int getLosses() { return losses; }  public String toString() {  return “”; }  // insert code here  }  Which method will complete this class?()A  public int compareTo(Object o) {/*mode code here*/}B  public int compareTo(Score other) {/*more code here*/}C  public int compare(Score s1,Score s2){/*more code here*/}D  public int compare(Object o1,Object o2){/*more code here*/}

考题 单选题10. interface Foo { int bar(); }  11. public class Sprite {  12. public int fubar( Foo foo) { return foo.bar(); }  13. public void testFoo() {  14. fubar(  15. // insert code here  16.);  17. }  18. }  Which code, inserted at line 15, allows the class Sprite to compile?()A  Foo { public int bar() { return 1; } }B  new Foo { public int bar() { return 1; } }C  newFoo() { public int bar(){return 1; } }D  new class Foo { public int bar() { return 1; } }

考题 多选题Given: 6. 7. 8. and a custom tag handler for foo which extends TagSupport. Which two are true about thetag handler referenced by foo?()AThe doStartTag method is called once.BThe doAfterBody method is NOT called.CThe EVAL_PAGE constant is a valid return value for the doEndTag method.DThe SKIP_PAGE constant is a valid return value for the doStartTag method.EThe EVAL_BODY_BUFFERED constant is a valid return value for the doStartTag method.

考题 单选题Given the JSP code: and the Classic tag handler code: 5. public int doStartTag() throws JspException { 6. // insert code here 7. // return int 8. } Assume there are no other "foo" attributes in the web application. Which invocation on the pageContextobject,inserted at line 6,assigns "bar" to the variable x?()A String x = (String) pageContext.getAttribute(foo)B String x = (String) pageContext.getRequestScope(foo)C It is NOT possible to access the pageContext object from within doStartTagD String x = (String) pageContext.getRequest().getAttribute(foo)E String x = (String) pageContext.getAttribute(foo, PageContext.ANY_SCOPE)