--%>

Difference between collection and arrays

Write the difference between collection and arrays?

E

Expert

Verified

a.) Array:

  • In this one need to give the size of the array during its declaration.
  • Array could not be adjusted dynamically.
  • The members of the array must be of the similar data type.


b.) Collection:

  • The size of the collection can be resized dynamically, according to the user's requirement.
  • Collection does not have permanent size.
  • It could have elements of dissimilar types.

 

   Related Questions in Programming Languages

  • Q : Define Primitive type Primitive type :

    Primitive type: Java's eight standard non-class types are the primitive types as: Boolean, byte, char, float, int, double, long and short.

  • Q : Explain Hot spot Hot spot : This is an

    Hot spot: This is an area in an image map with a specific significance. A program usually monitors movements of the mouse, and reacts according to the actions related with the hot spots over which it passes. This may comprise displaying various status

  • Q : Explain Program counter Program counter

    Program counter: A program counter is an integral portion of a computer's Central Processing Unit. It includes a reference to the memory address of the subsequent instruction to be fetched, ready to be executed throughout the next fetch-execute cycle.

  • Q : Explain Abstraction Abstraction : It is

    Abstraction: It is a simplified symbolization of something which is potentially quite complex. It is frequently not essential to know the precise details of how something works, is symbolized or is implemented, since we can still make use of it in its

  • Q : What is Boolean expression Boolean

    Boolean expression: It is an expression whose outcome is of type Boolean, that is, gives a value of either true or false. The operators like && and || take Boolean operands and generate a Boolean outcome. The relational operators obtain operan

  • Q : Define Byte Byte : In general

    Byte: In general computing, it refers to eight bits of data. In Java it is as well the name of one of the primitive data types, whose size is of eight bits.

  • Q : What is an Infinite recursion Infinite

    Infinite recursion: Recursion which does not finish. This can effect from any of direct recursion, indirect recursion or the mutual recursion. It is generally the outcome of a logical error, and can consequence in stack overflow.

  • Q : Define the term Module Module : It is a

    Module: It is a group of program components, usually with restricted visibility to program components in other modules. Java employs packages to implement this perception.

  • Q : What is u-area Explain what is meant by

    Explain what is meant by the term u-area (user area)?

  • Q : What is Protected access Protected

    Protected access: Protected access is accessible to a class member prefixed with protected access modifier. This member is accessible to all classes stated within the enclosing package, and any sub-classes expanding the enclosing class.