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Java Program to Count the Number of Lines in a File

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In this tutorial, you will learn how to Count the Number of Lines in a File in java. To understand it better, you may want to check the following first:

Java Program to Count the Number of Lines in a File

First, save the content in a text file with the same name that you enter in a program.
For this example, a text file saved with the name javaCode.txt

javaCode.txt

Welcome to Simple2Code.
Let Start
first tutorial
second Program

Source Code:

//count number of lines in a file

 import java.io.BufferedReader;
 import java.io.File;
 import java.io.FileReader;
 import java.io.IOException;
 
 public class LineCount 
 {
  public static void main(String[] args) throws IOException 
  {
    File f = new File("javaCode.txt");
    int count=0;   
        
    FileReader fr = new FileReader(f);  
    BufferedReader br = new BufferedReader(fr); 
    
    String s;         
        
    while((s=br.readLine())!=null) //Reading Content 
    {
      count++; //increases for each line
    }
    fr.close();
    //Display number of line
    System.out.println("Total number of line:"+count); 
  }
 
 }

Output:

Total number of line: 4

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