nextLine()

Java Scanner nextLine() metodi

❮ Scanner metodlari


Misol

Fayl tarkibini qatorma-qator chiqarish:

import java.io.File;  // Import the File class
import java.io.FileNotFoundException;  // Import this class to handle errors
import java.util.Scanner; // Import the Scanner class to read text files

public class ReadFile {
  public static void main(String[] args) {
    try {
      File myObj = new File("filename.txt");
      Scanner myReader = new Scanner(myObj);
      while (myReader.hasNextLine()) {
        String data = myReader.nextLine();
        System.out.println(data);
      }
      myReader.close();
    } catch (FileNotFoundException e) {
      System.out.println("An error occurred.");
      e.printStackTrace();
    }
  }
}
O‘zingiz sinab ko‘ring »

ULASHISH

Ta’rif va qo‘llanilishi

nextLine() metodi skanerdagi keyingi yangi qator belgisigacha bo‘lgan barcha belgilarni (yangi qator belgilari qolmagan bo‘lsa, skaner oxirigacha bo‘lgan barcha belgilarni) o‘z ichiga olgan stringni qaytaradi.


Sintaksis

public String nextLine()

Texnik tafsilotlar

Qaytaradi: Skanerdagi keyingi matn qatorini o‘z ichiga olgan String qiymat.
Istisno chiqaradi: NoSuchElementException - agar skanerda boshqa qator qolmagan bo‘lsa.
IllegalStateException - agar skaner yopilgan bo‘lsa.

❮ Scanner metodlari

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