Data types in javascript, JAVA Programming

Assignment Help:

A value, the data assigned to a variable, may contain any sort of data. Though, JavaScript considers data to fall into many possible types. Based on the type of data, certain operations may or may not be allowed on the values. For instance, you cannot multiply arithmetically two string values. Variables can be of following types:

Data Types

Description

 

 

 

 

 

 

 

Number

3 or 7.987 are the examples of Integer & floating-point numbers.

 

Integers can be positive, 0, or negative; Integers can be expressed in decimal (base 10), hexadecimal (base 16), and octal (base 8). A decimal integer literal contains a sequence of digits without a leading 0 (zero). A leading 0 (zero) onto an integer literal denote it is in octal; a leading 0x (or 0X) specified hexadecimal. Hexadecimal integers can include digits (0-9) and the letters a-f & A-F. Octal integers can include only the digits 0-7.

 

A floating-point number can contain either a decimal fraction, an "e" (uppercase or lowercase), that is used to represent "ten to the power of" in scientific notation, or both. The exponent part is an "e" or "E" followed by an integer, which can be signed (preceded by "+" or "-"). A floating-point literal ought to have at least one digit & either a decimal point or "e" (or "E").

Boolean

True or False. The possible Boolean values are true & false. These are special values, & not usable as 1 & 0. In a comparison, any expression which evaluates to zero is taken to be false, & any statement which evaluates to a number other than 0 is taken to be true.

String

"Hello World!" Strings are delineated through single or double quotation marks. (Employ single quotes to type strings that have quotation marks.)

Object

MyObj = new Object();

Null

Not the simialr as zero - no value at all. A null value is one which has no value and means nothing.

Undefined

A value which is undefined is a value held through a variable after it has been created, however before a value has been assigned to it.


Related Discussions:- Data types in javascript

Give the example of mixing data type in java, Give the example of mixing da...

Give the example of mixing data type in java? Mixing Data Types Order can form a difference while data types are mixed. For example, 1 / 2 * 3.5 = 0.0 3.5 * 1 / 2 = 1.75 3.5 /

the file system simulator , • Study and enhance the File System Simulator ...

• Study and enhance the File System Simulator - See the FS_sim slide deck • New features - blockinfo - a new application that displays the information about the blocks in the file

What are the implicit objects in jsp, Implicit objects are formed by the we...

Implicit objects are formed by the web container and have information related to a particular request, page, or application. They are request, response, pageContext, session, appli

Which is better to store data as attributes or as elements? , A question ri...

A question rising in the mind of XML/DTD designers is whether to model and encode retain information using an attribute, or alternatively, using an element. 1. Using  an  elemen

Design a system program, System Program Project Description: I want s...

System Program Project Description: I want someone who can study my existing program and from there the updates may be done Skills required: Java, Oracle, MySQL, Softwa

What do you mean by java virtual machine?, Question 1 What do you mean by ...

Question 1 What do you mean by Java Virtual Machine? Question 2 Write a simple Java program to display a string message and explain the steps of Compilation and execution in Jav

Array, public class Tester { static void test(int[] a) { int[] b = new in...

public class Tester { static void test(int[] a) { int[] b = new int[2]; a = b; System.out.print(b.length); System.out.print(a.length); } public static void main(String[] arg

Write Your Message!

Captcha
Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd