命令行输入

package com.study;

import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.util.Scanner;

public class InputFromCommandLine {

    public static void main(String[] args) {

        input2();
    }

    private static void input1() {

        try (Scanner sc = new Scanner(System.in)) {
            System.out.println("Input a num:");
            int value = sc.nextInt();
            System.out.println("Value Input:" + value);
        } catch (Exception e) {
            e.printStackTrace();
        }

    }

    private static void input2() {
        try (BufferedReader br = new BufferedReader(new InputStreamReader(System.in))) {
            System.out.println("Input a num:");
            String value = br.readLine();
            System.out.println("Value Input:" + value);
        } catch (IOException e) {
            e.printStackTrace();
        }

    }

}