{"id":176,"date":"2008-02-15T17:44:45","date_gmt":"2008-02-16T01:44:45","guid":{"rendered":"http:\/\/wp.colliertech.org\/cj\/?p=176"},"modified":"2008-02-15T17:44:45","modified_gmt":"2008-02-16T01:44:45","slug":"ikvm-basics","status":"publish","type":"post","link":"https:\/\/wp.c9h.org\/cj\/?p=176","title":{"rendered":"IKVM basics"},"content":{"rendered":"<p>So, I&#8217;m not much of a java guy, but I need to know how to get at the CLI, given a java interface.<\/p>\n<p>Let&#8217;s assume for brevity that one has an ubuntu machine available:<\/p>\n<pre>\r\n$ sudo apt-get install ikvm ikvm-native icepick icepick-gcj\r\n....\r\n$ mkdir hello-ikvm && cd hello-ikvm\r\n$ cat > hello.java\r\nclass hello\r\n{\r\n  public static void main(String args[])\r\n  {\r\n    System.out.println(\"Hello, world!\");\r\n  }\r\n}\r\n^D\r\n$ icepick-javac hello.java\r\n$ ls\r\nhello.class  hello.java\r\n$ jar cvf hello.jar hello.class\r\n$ ls\r\nhello.class  hello.jar  hello.java\r\n$ ikvm hello\r\nHello, world!\r\n<\/pre>\n<p>Okay, now we can run java bytecode on the IKVM virtual machine.  yay.  So what?  On to the interesting bits.<\/p>\n<pre>\r\n$ ikvmstub mscorlib\r\n...\r\n$ ls\r\nhello.class  hello.jar  hello.java  mscorlib.jar\r\n$ cat > helloCLI.java\r\nimport cli.System.Console;\r\n\r\nclass helloCLI\r\n{\r\n    public static void main(java.lang.String args[])\r\n    {\r\n        Console.WriteLine(\"Hello, world!\");\r\n    }\r\n}\r\n^D\r\n$ ls\r\nhello.class  hello.jar  hello.java  helloCLI.java  mscorlib.jar\r\n$ icepick-javac -classpath mscorlib.jar helloCLI.java\r\n$ ls\r\nhello.class  hello.jar  hello.java  helloCLI.class  helloCLI.java  mscorlib.jar\r\n$ ikvmc -reference:mscorlib helloCLI.class \r\n$ ls\r\nhello.class  hello.java      helloCLI.exe   mscorlib.jar\r\nhello.jar    helloCLI.class  helloCLI.java\r\n$ mono helloCLI.exe\r\nHello, world!\r\n<\/pre>\n<p>The end.  I need to pick up Scarlet now.<\/p>\n\n<div class=\"twitter-share\"><a href=\"https:\/\/twitter.com\/intent\/tweet?via=cjamescollier\" class=\"twitter-share-button\">Tweet<\/a><\/div>\n","protected":false},"excerpt":{"rendered":"<p>So, I&#8217;m not much of a java guy, but I need to know how to get at the CLI, given a java interface. Let&#8217;s assume for brevity that one has an ubuntu machine available: $ sudo apt-get install ikvm ikvm-native icepick icepick-gcj &#8230;. $ mkdir hello-ikvm &#038;&#038; cd hello-ikvm $ cat > hello.java class hello [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"jetpack_post_was_ever_published":false,"_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[38,188,190,17,79,47,37,7,15,166,130],"tags":[],"class_list":["post-176","post","type-post","status-publish","format-standard","hentry","category-c","category-cli","category-compiler","category-debian","category-free-software","category-linux","category-microsoft","category-mono","category-novell","category-software","category-ubuntu"],"jetpack_featured_media_url":"","jetpack_shortlink":"https:\/\/wp.me\/p1YDIB-2Q","jetpack_sharing_enabled":true,"jetpack_likes_enabled":true,"_links":{"self":[{"href":"https:\/\/wp.c9h.org\/cj\/index.php?rest_route=\/wp\/v2\/posts\/176","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/wp.c9h.org\/cj\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/wp.c9h.org\/cj\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/wp.c9h.org\/cj\/index.php?rest_route=\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/wp.c9h.org\/cj\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=176"}],"version-history":[{"count":0,"href":"https:\/\/wp.c9h.org\/cj\/index.php?rest_route=\/wp\/v2\/posts\/176\/revisions"}],"wp:attachment":[{"href":"https:\/\/wp.c9h.org\/cj\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=176"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/wp.c9h.org\/cj\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=176"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/wp.c9h.org\/cj\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=176"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}