Find a string (or a line) in a txt File Java

Question

let\'s say I have a txt file containing:

john
dani
zack

the user will input a string, for example \"omar\" I want the program to search tha

Answer 1

Just read this text file and put each word in to a List and you can check whether that List contains your word.

You can use Scanner scanner=new Scanner("FileNameWithPath"); to read file and you can try following to add words to List.

 List list=new ArrayList<>();
 while(scanner.hasNextLine()){
     list.add(scanner.nextLine()); 

 }

Then check your word is there or not

if(list.contains("yourWord")){

  // found.
}else{
 // not found
}

BTW you can search directly in file too.

while(scanner.hasNextLine()){
     if("yourWord".equals(scanner.nextLine().trim())){
        // found
        break;
      }else{
       // not found

      }

 }