< prev index next >
src/jdk.jcmd/share/classes/sun/tools/jcmd/Arguments.java
Print this page
rev 48495 : 8189102: All tools should support -?, -h and --help
Reviewed-by: kvn, jjg, weijun, alanb, rfield, ksrini
@@ -1,7 +1,7 @@
/*
- * Copyright (c) 2011, 2012, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2011, 2018, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation. Oracle designates this
@@ -48,11 +48,15 @@
/* list all processes */
processString = "0";
return;
}
- if (args[0].equals("-h") || args[0].equals("-help") ) {
+ if (args[0].equals("-?") ||
+ args[0].equals("-h") ||
+ args[0].equals("--help") ||
+ // -help: legacy.
+ args[0].equals("-help")) {
showUsage = true;
return;
}
processString = args[0];
@@ -114,8 +118,8 @@
System.out.println(" If no options are given, lists Java processes (same as -l). ");
System.out.println(" ");
System.out.println(" PerfCounter.print display the counters exposed by this process ");
System.out.println(" -f read and execute commands from the file ");
System.out.println(" -l list JVM processes on the local machine ");
- System.out.println(" -h this help ");
+ System.out.println(" -? -h --help print this help message ");
}
}
< prev index next >