Java Programming Test (Random Questions)

Which computer has been designed to be as compact as possible?

Which of the following statements are correct about the C#.NET code snippet given below?

namespace IndiabixConsoleApplication
{
class index
{
protected int count;
public index()
{
count = 0;
}
}
class index1: index
{
public void increment()
{
count = count +1;
}
}
class MyProgram
{
static void Main(string[] args)
{
index1 i = new index1();
i.increment();
}
}
}

1 count should be declared as public if it is to become available in the inheritance chain.

2 count should be declared as protected if it is to become available in the inheritance chain.

3 While constructing an object referred to by i firstly constructor of index class will be called followed by constructor of index1 class.

4 Constructor of index class does not get inherited in index1 class.

5 count should be declared as Friend if it is to become available in the inheritance chain.

Why does the data communication industry use the layered OSI reference model?

1. It divides the network communication process into smaller and simpler components, thus aiding component development, design, and troubleshooting.
2. It enables equipment from different vendors to use the same electronic components, thus saving research and development funds.
3. It supports the evolution of multiple competing standards and thus provides business opportunities for equipment manufacturers.
4. It encourages industry standardization by defining what functions occur at each layer of the model.

The product structure file is also called the

Which of the following statements are correct about the C#.NET code snippet given below?

int[] a = {11, 3, 5, 9, 4};

1 The array elements are created on the stack.

2 Refernce a is created on the stack.

3 The array elements are created on the heap.

4 On declaring the array a new array class is created which is derived from System.Array Class.

5 Whether the array elements are stored in the stack or heap depends upon the size of the array.

Which of the following commands will allow you to set your Telnet password on a Cisco router?

You are the administrator of a Windows 2000 Server computer that has one hard disk. This computer runs a custom application that writes a large number of small temporary files in a single directory to support request from client computers. To improve performance of the application, you add three new 100-GB SCSI disks to the server to hold these temporary files. You want to ensure that the application can use all 300 GB of space with a single drive letter. You also want to ensure the fastest possible performance when writing the temporary files. How should you configure the three disks?

One popular classification technique in Business Intelligence (BI) reporting is ________ .

The primary tool used in structured design is a:

Which of the following statement is correct with respect to the use of friend keyword inside a class?

Which of the following is an ordered collection class?

1 Map

2 Stack

3 Queue

4 BitArray

5 HashTable

Which one of the following statements best describes magnetic hysteresis?

A goal of data mining includes which of the following?

What command would you type to list all of the files in the current directory?

What is the best data type definition for Oracle when a field is alphanumeric and has a fixed length?

Websites without a database attached to them have which of the following characteristics?

public class X
{
public static void main(String [] args)
{
X x = new X();
X x2 = m1(x); /* Line 6 */
X x4 = new X();
x2 = x4; /* Line 8 */
doComplexStuff();
}
static X m1(X mx)
{
mx = new X();
return mx;
}
}

After line 8 runs. how many objects are eligible for garbage collection?

________ is considered to be one of the foundations of data access in the Microsoft world.

What will be the output of the program?

class Test
{
public static void main(String [] args)
{
Test p = new Test();
p.start();
}

void start()
{
boolean b1 = false;
boolean b2 = fix(b1);
System.out.println(b1 + " " + b2);
}

boolean fix(boolean b1)
{
b1 = true;
return b1;
}
}

Which of the following is the correct way to apply an attribute to an Assembly?