import java.io.BufferedReader;?? import java.io.IOException;?? import java.io.InputStreamReader;?? import java.util.Scanner;?? ?? public class MainClass?? {?? ??? public static void method1()?? ??? {?? ??????? //使用Scanner?? ??????? Scanner scanner=new Scanner(System.in);?? ??????? System.out.print("Please input a number:");?? ??????? int num=scanner.nextInt();? //獲取整數值?? ??????? System.out.println("The number you input is:"+num);?? ??????? System.out.println("----------------------------");?? ??????? System.out.print("Please input some character:");?? ??????? String str=scanner.next();? //獲取字符串值?? ??????? System.out.println("The string you input is:"+str);?? ?????????? ??? }?? ??? public static void method2()?? ??? {?? ??????? //使用BufferedReader?? ??????? try?? ??????? {?? ??????????? BufferedReader reader=new BufferedReader(new InputStreamReader(System.in));?? ??????????? System.out.print("Please input a number:");?? ??????????? String str=reader.readLine();? //獲取字符串?? ??????????? System.out.println("The number you input is:"+str);?? ?????????????? ??????? } catch (IOException e)?? ??????? {?? ??????????? e.printStackTrace();?? ??????? }?? ??? }?? }