Tag: programming languages

Questions Related to programming languages

Which of the following statements PageConext methods pushBody and popBody are true?
technology programming languages

  1. 1) pushBody is called by the jsp container after doStartTag and before doAfterBdy

  2. 2) pushBody is called by the jsp container before doInitBody

  3. 3) popBody is called by the jsp container after doAfterBody and before doEndTag

  4. 4) popBody is called by the jsp container after doEndTag

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Correct Option: A,C

. Is it true that all tags have a parent tag,which is null for top-level tags, and is the innermost containing tag for nested tags.
technology programming languages

  1. 1) yes

  2. 2) no

  3. 3) only the second part of the statement is true.

  4. 3) only the first part of the statement is true.

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Correct Option: A

You are calling the method HttpServletResponse.sendRedirect(String path) and you want to make sure that the user continues in the same session. How do you that?
technology programming languages

  1. 1) By calling the method with an absolute path as the argument

  2. 2) By enconding the path with HttpServletResponse.endcodeURL method

  3. 3) By enconding the path with HttpServletResponse.endcodeRedirectURL method

  4. 4) If you use sendRedirect the session is lost.

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Correct Option: C

Which statements are true about the auth-constraint element?
technology programming languages

  1. 1) It only contains the element role-name (besides element description)

  2. 2) Only the role-name specified in security-role-ref can be used

  3. 3) It is a subelement of web-resource-collection

  4. 4) It is related to authentication

Show answer
Correct Option: A

class a { public staic void main(String ar[]) { String s="abcxyz"; s.substring(2,5) System.out.println(s); } }
technology programming languages

  1. cxy

  2. abcxyz

  3. cxyz

  4. bcxy

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Correct Option: B

A class without main method can be compiled successfuly.
technology programming languages

  1. True

  2. False

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Correct Option: A

class a { public staic void main(String ar[]) { String s="abcxyz"; s.substring(2,5); System.out.println(s); } }
technology programming languages

  1. cxy

  2. abcxyz

  3. bcxy

  4. cxyz

Show answer
Correct Option: B

Find the output of this program.1. void main(){ float j; j=1000*1000; printf("%f",j); }
technology programming languages

  1. 1000000

  2. Overflow

  3. None

  4. Error

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Correct Option: C

Find the output of this program. 1. void main(){ float j; j=1000*1000; printf("%f",j); }
technology programming languages

  1. 1000000

  2. Overflow

  3. None

  4. Error

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Correct Option: C

Find the output of this program. main() { int a[10]; printf("%d",*a+1-*a+3) ; }
technology programming languages

  1. Compiler error

  2. 3

  3. -2

  4. 4

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Correct Option: D