• Placement Questions
• /
• Programming

Placement Papers with Solutions

(#M40029416) JAVA QUESTION java Keep an EYE

Q. What are runtime exceptions?

A. Runtime exceptions are those exceptions that are thrown at runtime because of either wrong input data or because of wrong business logic etc. These are not checked by the compiler at compile time.

Asked In Java MAN (12 years ago)

Unsolved

Is this Puzzle helpful?   (0)   (0) Submit Your Solution Definition

(#M40029413) JAVA QUESTION java Keep an EYE

Q. What is RMI architecture?

A. RMI architecture consists of four layers and each layer performs specific functions: a) Application layer - contains the actual object definition. b) Proxy layer - consists of stub and skeleton. c) Remote
Reference layer - gets the stream of bytes from the transport layer and sends it to the proxy layer. d) Transportation layer - responsible for handling the actual machine-to-machine communication.

Asked In Java MAN (12 years ago)

Unsolved

Is this Puzzle helpful?   (0)   (0) Submit Your Solution Definition

(#M40029412) JAVA QUESTION java Keep an EYE

Q. What is URL?

A. URL stands for Uniform Resource Locator and it points to resource files on the Internet

Asked In Java MAN (12 years ago)

Unsolved

Is this Puzzle helpful?   (0)   (0) Submit Your Solution Definition

(#M40029411) JAVA QUESTION java Keep an EYE

Q. What is Domain Naming Service(DNS)?

A. It is very difficult to remember a set of numbers(IP address) to connect to the Internet. The Domain Naming Service(DNS) is used to overcome this problem. It maps one particular IP address to a string of characters. For example, www. mascom. com implies com is the domain name reserved for US commercial sites, moscom is the name of the company and www is the name of the specific computer, which is mascom's server

Asked In Java MAN (12 years ago)

Unsolved

Is this Puzzle helpful?   (1)   (0) Submit Your Solution Technical

(#M40029410) JAVA QUESTION java Keep an EYE

Q. What is the difference between this() and super()?

A. This() can be used to invoke a constructor of the same class whereas super() can be used to invoke a super class constructor.

Asked In Java MAN (12 years ago)

Unsolved Read Solution (3)

Is this Puzzle helpful?   (0)   (0) Submit Your Solution Definition

(#M40029409) JAVA QUESTION java Keep an EYE

Q. What is method overloading and method overriding?

A. Method overloading: When a method in a class having the same method name with different arguments is said to be method overloading. Method overriding : When a method in a class having the same method name with same arguments is said to be method overriding.

Asked In Java MAN (12 years ago)

Unsolved Read Solution (1)

Is this Puzzle helpful?   (1)   (0) Submit Your Solution Definition

(#M40029408) JAVA QUESTION java Keep an EYE

Q. What is the use of bin and lib in JDK?

A. Bin contains all tools such as javac, appletviewer, awt tool, etc., whereas lib contains API and all
packages

Solution

Ans:-Bin contains all tools such as javac, appletviewer, awt tool, etc., whereas lib contains API and all
packages


Like manish sir answer on facebook.

Asked In Java MAN (12 years ago)

Solved

Is this Puzzle helpful?   (2)   (1) Submit Your Solution Definition

(#M40029406) JAVA QUESTION java Keep an EYE

Q. Why there are no global variables in Java?

A. Global variables are globally accessible. Java does not support globally accessible variables due to following reasons:
1)The global variables breaks the referential transparency
2)Global variables creates collisions in namespace

Asked In Java MAN (12 years ago)

Unsolved

Is this Puzzle helpful?   (1)   (0) Submit Your Solution Definition

(#M40029404) JAVA QUESTION java Keep an EYE

Q. What is stored procedure?

A. Stored procedure is a group of SQL statements that forms a logical unit and performs a particular
task. Stored Procedures are used to encapsulate a set of operations or queries to execute on
database. Stored procedures can be compiled and executed with different parameters and results
and may have any combination of input/output parameters

Asked In Java MAN (12 years ago)

Unsolved

Is this Puzzle helpful?   (1)   (0) Submit Your Solution Database

(#M40029398) JAVA QUESTION java Keep an EYE

Q. What is deadlock?

A. When two threads are waiting each other and can't precede the program is said to be deadlock.

Asked In Java MAN (12 years ago)

Unsolved Read Solution (1)

Is this Puzzle helpful?   (0)   (0) Submit Your Solution Database