JAVA EXAMPLE PROGRAMS

JAVA EXAMPLE PROGRAMS

Checkout for Promo Codes

Program: How to get line count from a string?


Description:

This example shows how to get line count from a string. Assuming that we have read the file and keeping the content in string. We are using String.split() method with the use of regular expression [\n|\r]. It will split the string based on the new line char and carriage return char. After the split, we will get string array, and returning length of the array.


Code:
package com.java2novice.string;

public class MyStringLineCounter {

	public static int getLineCount(String text){
		
		return text.split("[\n|\r]").length;
	}
	
	public static void main(String a[]){
	
		String str = "line1\nline2\nline3\rline4";
		System.out.println(str);
		int count = getLineCount(str);
		System.out.println("line count: "+count);
	}
}

Output:
line1
line2
line3
line4
line count: 4

Other String Function Examples

Knowledge Centre
Different types of Access Modifiers
public: Any thing declared as public can be accessed from anywhere.

private: Any thing declared as private can't be seen outside of its class.

protected: Any thing declared as protected can be accessed by classes in the same package and subclasses in the other packages.

default modifier: Can be accessed only to classes in the same package.
Famous Quotations
The greatest obstacle to discovery is not ignorance; it is the illusion of knowledge.
-- Daniel J. Boorstin

About Author

I'm Nataraja Gootooru, programmer by profession and passionate about technologies. All examples given here are as simple as possible to help beginners. The source code is compiled and tested in my dev environment.

If you come across any mistakes or bugs, please email me to [email protected].

Most Visited Pages

Other Interesting Sites

Reference: Java™ Platform Standard Ed. 7 - API Specification | Java™ Platform Standard Ed. 8 - API Specification | Java is registered trademark of Oracle.
Privacy Policy | Copyright © 2022 by Nataraja Gootooru. All Rights Reserved.