The lineSeparator() is a built-in method in Java which returns the system-dependent line separator string. It always returns the same value ā the initial value of the system property line.separator.
Syntax:
public static String lineSeparator()
Parameters: This method does not take any parameters.
Return Values: In any UNIX systems, it will return ā\nā or a positive integer; and on Windows systems it returns ā\r\nā or a positive integer.
Exception : It throws NullPointerException , if the string is null
Below programs illustrate the System.lineSeparator() method:
Program 1: To illustrate the working of static String lineSeparator() method.
// Java program to demonstrate working// of static String lineSeparator() methodimport java.io.IOException;import java.lang.*;import java.nio.channels.Channel;public class LineSeparatorExample {Ā Ā Ā Ā Ā Ā public static void main(String[] args)Ā Ā Ā Ā {Ā Ā Ā Ā Ā Ā Ā Ā String s = System.lineSeparator();Ā Ā Ā Ā Ā Ā Ā Ā Ā Ā for (char c : s.toCharArray()) {Ā Ā Ā Ā Ā Ā Ā Ā Ā Ā Ā Ā System.out.println((int)c);Ā Ā Ā Ā Ā Ā Ā Ā }Ā Ā Ā Ā }} |
10
Note: Here it returns 10. So here 10 is the line separator.
Program 2: To illustrate the working of static String lineSeparator() method for an integral value.
// Java program to demonstrate working// of static String lineSeparator() methodimport java.io.IOException;import java.lang.*;import java.nio.channels.Channel;class SystemDemo {Ā Ā Ā Ā public static void main(String args[])Ā Ā Ā Ā Ā Ā Ā Ā throws NullPointerException,Ā Ā Ā Ā Ā Ā Ā Ā Ā Ā Ā Ā Ā Ā Ā IOExceptionĀ Ā Ā Ā {Ā Ā Ā Ā Ā Ā Ā Ā Integer x = 636;Ā Ā Ā Ā Ā Ā Ā Ā System.out.println(System.lineSeparator());Ā Ā Ā Ā }} |
\r\n
Note: Here it returns ā\r\nā since its a Microsoft Windows systems.
Reference: https://docs.oracle.com/javase/7/docs/api/java/lang/System.html#lineSeparator()
