[JAVA/PYTHON] Command Line Argument | String[] args | sys.argv

Posted 2020-12-22

鏍囩锛?a href='http://www.mamicode.com/so/1/span' title='span'>span   ble   ++   ack   cond   system   amp   com   pre   

 

JAVA

public class Args
{
    public static void main(String[] args)
    {
        // for (String arg : args)
        //     System.out.println(arg);
        //鎴栬€呬笅闈㈢殑閬嶅巻鏂规硶
        for (int i = 0; i < args.length; i++)
            System.out.println(args[i]);
    }
}

 

terminal杈撳叆:

javac Args.java && java Args jerry elaine george kramer

 

杈撳嚭缁撴灉:

jerry
elaine
george
kramer

 

 

 

 

PYTHON

sys.argv

Argument varible

import sys

# unpacking
scriptName, first, second, third, fourth = sys.argv

print("type(sys.argv) = " + str(type(sys.argv))) #鍙互鐪嬪嚭sys.argv鐨勭被鍨嬪氨鏄釜list
print("scriptName = " + scriptName)
print(first)
print(second)
print(third)
print(fourth)
print()

#閬嶅巻鍒楄〃
for item in sys.argv:
    print(item)

 

terminal 涓緭鍏?

python3 Sys.py jerry elaine george kramer

 

杈撳嚭缁撴灉

type(sys.argv) = <class 鈥?/span>list鈥?/span>>
scriptName = Sys.py
jerry
elaine
george
kramer

Sys.py
jerry
elaine
george
kramer