listing3.6.java

来自「java 完全探索的随书源码」· Java 代码 · 共 12 行

// entry point for the application
public static void main(String[] args) {
  if (args.length < 1) {  // application requires a command-line argument
    System.out.println("<usage> java ClassName InputString");
    System.exit(-1);  // exit the program
  }

  String inputString = args[0];  // get command-line argument
  System.out.println(inputString);
}