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Backslash Codes

Posted By: Carolyn Perez     Category: Java     Views: 93766

This article explains about Backslash codes available in java with examples.

Backslash codes are characters that cannot be entered from the keyboard and are nonprinting characters. It can be used anywhere you can use a normal character. It is also referred to as escape sequences

The single most important backslash code is \n. It is also referred to as a newline character

Note that the backslash codes are character constants. To assign backslash character to a character variable, you must enclose it within single quotes.

Example of Assigning backslash code to a character variable

char = ch;
ch = '\''; 

Below are the Backslash Codes available in java.

 Backslash Code

Description 

 \t

tab character ('\u0009') 

 \n

new line or line feed character ('\u000A') 

 \r

carriage-return character ('\u000D') 

 \f

form-feed character ('\u000C') 

 \a

alert or bell character ('\u0007') 

 \e

escape character ('\u001B') 

 \cx

control character corresponding to x 

 \\

backslash character 

 \0n

character with octal value 0n (0 <= n <= 7) 

 \0nn

character with octal value 0nn (0 <= n <= 7) 

 \0mnn

character with octal value 0mnn (0 <= m <= 3, 0 <= n <= 7) 

 \xhh

character with hexadecimal value 0xhh 

 \uhhhh

character with hexadecimal value 0xhhhh 



Examples of Backslash Codes

Example 1 : Program that displays use of tab character 

class TabCharDemo
{
  public static void main(String args[])
  {
System.out.println("Program of \t - " + \t + "character.");
  }
}


Output

Program of \t -  character.


Example 2 : Program that displays use of newline character 

class NewLineCharDemo
{
  public static void main(String args[])
  {
System.out.print("This is first line.\n");
System.out.print("This is second line.");
System.out.print("This is third line.");
  }
}


Output

This is first line.
This is second line.This is third line.

  
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Carolyn Perez
Carolyn Perez author of Backslash Codes is from Hartford, United States.
 
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