How to find if a string is present in a text file?

Mukul Goenka 921 17 Nov 2021

1 Answers

Ravi Vishwakarma 18 Nov 2021

import java.util.*;
import java.io.*;
public class MyClass {
    public static void main(String args[]) {
    
    }
    
    boolean findStringInFile(String filePath, String str) throws FileNotFoundException {
     File file = new File(filePath);
     Scanner scanner = new Scanner(file);
     // read the file line by line
     while (scanner.hasNextLine()) {
      String line = scanner.nextLine();
      if (line.contains(str)) {
       scanner.close();
       return true;
      }
     }
     scanner.close();
     return false;
    }
}

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How to find if a string is present in a text file?

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