Sample Java input stream Scanner and BufferedReader usage method
- 2020-04-01 02:31:45
- OfStack
1. Use the Scanner
Import java.util.Scanner; First, define the Scanner object
Scanner sc = new Scanner(system.in);
If an integer is to be entered, int n = sc.nextint ();
Of type String, String temp = sc.next();
Such as:
import java.util.Scanner;
public class Test {
@SuppressWarnings("resource")
public static void main(String[] args) {
Scanner scanner = new Scanner(System.in);
System.out.println(scanner.next());
}
}
2.'re using the BufferedReader
Import java.io.Reader before use;
BufferedReader br = new BufferedReader(new InputStreamReader(system.in));
String input = br. ReadLine ();
Such as:
import java.io.*;
public class Test {
public static void main(String[] args) {
try {
BufferedReader br = new BufferedReader(new InputStreamReader(
System.in));
System.out.println(br.readLine());
} catch (IOException e) {
}
}
}