Javaã¯ä¸çä¸ã§æã使ããã¦ããããã°ã©ãã³ã°è¨èªã®ä¸ã¤ã§ãããããã®ç¹å¾´ã®ä¸ã¤ãã³ã³ãã¤ã«ããç¹ã«ããã¾ãããéçºãè¡ãéã«ã¯ã³ã³ãã¤ã«ãã¦ããå®è¡ããéã®æéãå¦ãã¾ããã ããã§ä½¿ã£ã¦ã¿ããã®ãjbangã§ããjbangã使ãã°Javaãã¹ã¯ãªããè¨èªé¢¨ã«å®è¡ã§ãã¾ãã jbangã®ä½¿ãæ¹ ã³ã¼ãã§ãã //usr/bin/env jbang ãç¹å¾´ã§ãã //usr/bin/env jbang "$0" "$@" ; exit $? class helloworld { public static void main(String[] args) { if(args.length==0) { System.out.println("Hello World!"); } else { System.out.println("Hello " + args[0]); } } } jban
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