Tag: programming languages

Questions Related to programming languages

Zombie process will have parent as init
technology programming languages

  1. True

  2. False

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Correct Option: A

Which of the following will compile without error.
technology programming languages

  1. import java.awt.*;package Mypackage;class Myclass {}

  2. package MyPackage;import java.awt.*;class MyClass{}

  3. /This is a comment */package MyPackage;import java.awt.;class MyClass{}

  4. class Myclass {};import java.awt.*;package Mypackage;

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Correct Option: B,C

Which of the following are legal identifiers.
technology programming languages

  1. 2variable

  2. variable2

  3. _whatavariable

  4. 3

  5. $anothervar

  6. #myvar

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Correct Option: B,C,D,E

What will happen if you try to compile and run the following code? public class Q { public static void main(String argv[]){ int anar[]=new int[]{1,2,3}; System.out.println(anar[1]); }}
technology programming languages

  1. 1

  2. Error anar is referenced before it is initialized.

  3. 2

  4. Error: size of array must be defined.

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Correct Option: C

Which of the following statements are true?
technology programming languages

  1. System.out.println( -1 >>> 2);will output a result larger than 10

  2. System.out.println( -1 >>> 2); will output a positive number

  3. System.out.println( 2 >> 1); will output the number 1

  4. System.out.println( 1 <<< 2); will output the number 4

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Correct Option: A,B,C

Given the following declarations String s1=new String("Hello")String s2=new String("there");String s3=new String(); Which of the following are legal operations?
technology programming languages

  1. s3=s1 + s2;

  2. s3=s1-s2;

  3. s3=s1 & s2;

  4. s3=s1 && s2

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Correct Option: A

If you want to use USER32.DLL in your program, which namespace you should use:
technology programming languages

  1. System.Collections.Generic

  2. System.Reflection

  3. Microsoft.Office.Interop

  4. None of the above

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Correct Option: D

When you need to perform complex calculations or access external resources in SQL Server 2005, which one of the following programming methods do you use?
technology programming languages

  1. SQL Server Management Studio

  2. CLR User Defined Type

  3. CLR Stored Procedure

  4. T-SQL View

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Correct Option: C

Consider following statements: 1. System.Collections.ArrayList can store values of only single data type 2. System.Collections.ArrayList can store values of multiple data types 3. System.Collections.Generic.List can store values of multiple datatypes 4. System.Collections.Generic.List can store values of only single data type Which of the above is false:
technology programming languages

  1. Only 2

  2. Both 1 and 3

  3. 4

  4. Both 2 and 4

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Correct Option: B

Which of the following is true:
technology programming languages

  1. It is possible for a single class to implement multiple interfaces

  2. It is possible for a class to inherit from multiple classes

  3. It is possible for a class to inherit from a Sealed class

  4. All of above

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Correct Option: A