Java 扫描仪输入 = new Scanner(System.in);
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Scanner in = new Scanner(System.in);
提问by user3726654
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);
}
}
I just started learning JAVA and i came across this code.Can someone explain me what does the marked linesignify ?
我刚开始学习 JAVA，我遇到了这段代码。有人可以解释一下标记的线是什么意思吗？
回答by Balaji
Scanner s=new Scanner(System.in);
The System.in in the above code tells the compiler to get the data typed in the Keyboard, Which is a input device
上面代码中的 System.in 告诉编译器获取键盘输入的数据，这是一个输入设备
Thanks,
谢谢，
For more basic things in java Please checkout: Tutorialspoint.com
有关 Java 中的更多基本内容，请查看： Tutorialspoint.com
