[code=php]
import java.util.Scanner;

public class Main {

public static void main(String[] args) {

Scanner sc = new Scanner(System.in);
System.out.print("정수를 입력하세요 : ");
int i = sc.nextInt();
System.out.println("입력된 정수는 : " + i + "입니다.");
sc.close();
}
}
[/code]


[code=php]
import java.io.File;
import java.io.FileNotFoundException;
import java.util.Scanner;

public class Main {

public static void main(String[] args) {

File file = new File("input.txt");
try {
Scanner sc = new Scanner(file);
while (sc.hasNextInt()) {
System.out.println(sc.nextInt());
}
sc.close();
} catch (FileNotFoundException e) {
System.out.println("파일을 읽어오는 동안에 오류가 발생하였습니다.");
}
}
}
[/code]