Scanner in =新的Scanner(System.in); [英] Scanner in = new Scanner(System.in);
本文介绍了Scanner in =新的Scanner(System.in);的处理方法,对大家解决问题具有一定的参考价值,需要的朋友们下面随着小编来一起学习吧!
问题描述
public class Adder
{
public static void main(String arr[])
{
//System.in represents Standard Input Device (Keyboard)
//Explain this next line, please:
Scanner in = new Scanner(System.in);
System.out.println("Enter First No.");
int a = in.nextInt();
System.out.println("Enter Second No.");
int b = in.nextInt();
int c = a+b;
System.out.println("Sum is: "+c);
}
}
我刚开始学习JAVA,遇到了这段代码.有人可以解释一下标记行表示什么吗?
I just started learning JAVA and i came across this code.Can someone explain me what does the marked line signify ?
推荐答案
Scanner s=new Scanner(System.in);
以上代码中的System.in告诉编译器获取在输入设备键盘中输入的数据
The System.in in the above code tells the compiler to get the data typed in the Keyboard, Which is a input device
谢谢
有关Java中的更多基本知识,请检出: Tutorialspoint.com
For more basic things in java Please checkout: Tutorialspoint.com
这篇关于Scanner in =新的Scanner(System.in);的文章就介绍到这了,希望我们推荐的答案对大家有所帮助,也希望大家多多支持IT屋!
查看全文