import java.io.File; import java.io.FileInputStream;

public class ReadFileByteArray {

public static void main(String[] args) {
    File file = new File("D://Try.txt");
    try {
        FileInputStream fin = new FileInputStream(file);
        byte fileContent[] = new byte[(int) file.length()];
        fin.read(fileContent);
        String strFileContent = new String(fileContent);
        System.out.println("File content : ");
        System.out.println(strFileContent);
    } catch (Exception e) {
        e.printStackTrace();
    }
}

}

Hello Friend,

Please go through the following link:

http://www.roseindia.net/tutorial/java/core/files/fileToByteArray.html

Thanks