import java.util.Scanner;    //导入扫描仪

public class demo{

   public static void main(String[] args){

      Scanner data = new Scanner(System.in);   //扫描仪句柄

      System.out.println("请输入名字:");

      String name = data.next();              //接收字符串

      System.out.println("请输入年龄:");

      int age = data.nextInt();               //接收整型

      System.out.println("请输入版本,例如8.0:");

      double version = data.nextDouble();    //接收浮点型

      System.out.println("你的名字:" + name);

      System.out.println("你的年龄:" + age);

      System.out.println("你的版本:" + version);

   }

}

public class demo{

   public static void main(String[] args){

       int a = ;

       int b = ;

       boolean flag;  //定义布尔型

       flag = a==b;

       System.out.println(a == b);

       System.out.println(flag);

   }

}