Reading File using Java Program
In this tutorial you will learn Simple example about Reading File Using Java Program and Print the content of file to console. The program has been tested and output is posted in the same article.
SimpleFileReading.java
package com.dineshkrish.example;
import java.io.File;
import java.io.FileNotFoundException;
import java.io.FileReader;
import java.io.IOException;
public class SimpleFileReading {
public static void main(String[] args) {
String path = "D://data.txt"; // We can change path accordingly
// Defining the File object with path of the file
File file = new File(path);
try {
// Defining the Reader Object with File argument
FileReader fileReader = new FileReader(file);
int data = fileReader.read(); // Reading each character
while(data != -1) { // Traverse up to no character to read( -1 if no character)
// Printing the each character
System.out.print((char)data); // Converting (ASCII Value) int to char
data = fileReader.read();
}
fileReader.close();
} catch (FileNotFoundException e) {
System.out.println(e.getMessage());
e.printStackTrace();
} catch (IOException e) {
System.out.println(e.getMessage());
e.printStackTrace();
}
}
}
File Content
The content which displayed in the below Image fie will be read by the above Java Program. using FileReader API and the same content will be displayed in the Console output.
Output
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