reading from a text file in java code example

Example 1: java read text file

// read text file as string in java
import java.io.IOException;
import java.nio.file.Files;
import java.nio.file.Paths;
public class ReadTextFileAsStringJava
{
   public static void main(String[] args) throws Exception
   {
      String strInput = readFileString("B:\demo.txt");
      System.out.println(strInput);
   }
   public static String readFileString(String fileName) throws IOException
   {
      String strInput = "";
      strInput = new String(Files.readAllBytes(Paths.get(fileName)));
      return strInput;
   }
}

Example 2: reading from a text file in java

public static void main(String[] args) throws Exception 
  { 
    // pass the path to the file as a parameter 
    FileReader fr = new FileReader("C:\\Users\\pankaj\\Desktop\\test.txt"); 
  
    int i; 
    while ((i=fr.read()) != -1) 
      System.out.print((char) i); 
  }