使用unix在Java中运行文本文件

Question

i want it to compile my java program given a text file without having to hard code the file name into my program. I just don't know how the command line for it.

for example:

javac Main1.java

java Main1 myText.txt

Answer 1

main methods' args parameter is there for you.

public static void main(String[] args) {
    // `args` contains command line arguments.
    String filename = args[0];
    ...
}

See Command line arguments .