System.in.read() 有什么用?

问题描述

System.in.read()在java中有什么用?
请解释一下.

What is the use of System.in.read() in java?
Please explain this.

推荐答案

也许这个例子会对你有所帮助.

May be this example will help you.

import java.io.IOException;

public class MainClass {

    public static void main(String[] args) {
        int inChar;
        System.out.println("Enter a Character:");
        try {
            inChar = System.in.read();
            System.out.print("You entered ");
            System.out.println(inChar);
        }
        catch (IOException e){
            System.out.println("Error reading from user");
        }
    }
}

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