java reading files code example

Example 1: java read file text

try(BufferedReader br = new BufferedReader(new FileReader("file.txt"))) {
    StringBuilder sb = new StringBuilder();
    String line = br.readLine();

    while (line != null) {
        sb.append(line);
        sb.append(System.lineSeparator());
        line = br.readLine();
    }
    String everything = sb.toString();
}

Example 2: open file java

import java.io.*;

public class openFile {

    public static void main(String[] args) {
        try{
            File file = new File("C:\\file.txt");
        }catch(Exception e){
            e.printStackTrace();
        }
    }
    
}