Implemented review feedback

docs/processes/release/tasks/versions.md

@@ -53,7 +53,14 @@ need to be correspondingly updated. See below for more files to be updated and s
 [icu4c/source/data/misc/icuver.txt](https://github.com/unicode-org/icu/blob/main/icu4c/source/data/misc/icuver.txt)
 needs to be updated with the correct version number for ICU and its data.
 
-#### Since ICU 68, but before ICU 77
+#### Since ICU 77
+
+The tool takes the `icuVersion` and `icuDataVersion` from the official ICU APIs.
+(from the icu4j listed as a dependency of the tool, usually the one you just built from the `icu4j` folder).
+
+If you need values different than that, you can specify them as the command line parameters (`--icuVersion` and `--icuDataVersion`).
+
+#### Since ICU 68
 
 In
 [tools/cldr/cldr-to-icu/build-icu-data.xml](https://github.com/unicode-org/icu/blob/main/tools/cldr/cldr-to-icu/build-icu-data.xml)

tools/cldr/cldr-to-icu/src/main/java/org/unicode/icu/tool/cldrtoicu/Cldr2Icu.java

@@ -62,13 +62,10 @@ private void generate() {
         }
     }
 
-    private void run(String[] args) {
-        options.processArgs(args);
-        clean();
-        generate();
-    }
-
     public static void main(String[] args) {
-        new Cldr2Icu().run(args);
+        Cldr2Icu self = new Cldr2Icu();
+        self.options.processArgs(args);
+        self.clean();
+        self.generate();
     }
 }

tools/cldr/cldr-to-icu/src/main/java/org/unicode/icu/tool/cldrtoicu/ant/Task.java

@@ -1,4 +1,4 @@
-// © 2019 and later: Unicode, Inc. and others.
+// © 2024 and later: Unicode, Inc. and others.
 // License & terms of use: http://www.unicode.org/copyright.html
 package org.unicode.icu.tool.cldrtoicu.ant;