java輸入語句

import java.io.*;
import java.util.Scanner;
public class ScannerEx{
 public static void main(String args[]){
     /*方法一*/ 
    // Scanner sc=new Scanner(System.in);
    // int input=sc.nextInt();
    // System.out.println("==="+input);
    /*方法二*/
 try{
    BufferedReader br=new BufferedReader(new InputStreamReader(System.in));
      // int a=Integer.parseInt(br.readline());
       String b=br.readLine();
       System.out.println("==="+b);
 }catch(Exception e){
   e.printStackTrace(); 
 }

 }
}