File exists() method in Java with examples

Files Class readString() Method in Java with Examples

Last Updated : 27 Jan, 2023

The readString() method of File Class in Java is used to read contents to the specified file.

Syntax:

Files.readString(filePath)

Parameters:

path - File path with data type as Path

Return Value: This method returns the content of the file in String format.

Below are two overloaded forms of the readString() method.

public static String readString(Path path) throws IOException 
public static String readString(Path path, Charset cs) throws IOException

Using the UTF-8 charset in the first method reads all content from a file into a string, decoding from bytes to characters.
The second method does the same using the specified charset.

Input File:

Input File

Below is the implementation of the problem statement:

Java

// Implementation for readString() method in Java
import java.io.IOException;
import java.nio.file.Files;
import java.nio.file.Path;
import java.nio.file.Paths;

public class GFG {
    public static void main(String[] args)
    {
        // creating path
        Path filePath
            = Paths.get("/home/mayur/", "temp", "gfg.txt");
        try

        {
            // reading file from given path
            String content = Files.readString(filePath);
            // printing the content
            System.out.println(content);
        }
        catch (IOException e) {
            e.printStackTrace();
        }
    }
}

Output:

Hello from GFG!

File exists() method in Java with examples

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