nextLine()
Java Scanner nextLine() metodi
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 »
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. |
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