Java Programming Test (Random Questions)

An Employee class has a property called age and emp is reference to a Employee object and we want the statement Console.WriteLine(emp.age) to fail. Which of the following options will ensure this functionality?

A computer program that contains expertise in a particular domain is called an:

While working with MS-DOS, which command is used to display the contents of a file and pause the display after each screenful of information?

Which three are methods of the Object class?

1 notify();
2 notifyAll();
3 isInterrupted();
4 synchronized();
5 interrupt();
6 wait(long msecs);
7 sleep(long msecs);
8 yield();

Sort/report generators

Which EIGRP information is held in RAM and maintained through the use of Hello and update packets?

1. Neighbor table
2. STP table
3. Topology table
4. DUAL table

The space required for structure variables is allocated on stack.

What sign is used to back up over typing errors in vi?

The Memory Address Register

Which of the following is the correct way to create an object of the class Sample?

1 Sample s = new Sample();

2 Sample s;

3 Sample s; s = new Sample();

4 s = new Sample();

Which of the following is the correct ways to set a value 3.14 in a variable pi such that it cannot be modified?

Read-only databases are ________ updated.

You want to implement a mechanism that automates the IP configuration, including IP address, subnet mask, default gateway, and DNS information. Which protocol will you use to accomplish this?

The number of free electrons and holes in intrinsic semiconductor increases when the temperature

Which of the following keyword is used to overload an operator?

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.

Before any changes to database structure are attempted one should first:

Which of the following statements is correct in C++?

Which type of entity is related to two or more associated entities that each contain specialized attributes that apply to some but not all of the instances of the entity?

Which of the folowing does an indexer allow to index in the same way as an array?

1 A class

2 A property

3 A struct

4 A function

5 An interface