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Alibaba Java Coding Guidelines PMD implementations(XenoAmess TPM)
There is a newer version: 2.2.1.0x
<?xml version="1.0"?>

<ruleset name="AlibabaJavaSets" xmlns="http://pmd.sourceforge.net/ruleset/2.0.0"
         xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
         xsi:schemaLocation="http://pmd.sourceforge.net/ruleset/2.0.0 http://pmd.sourceforge.net/ruleset_2_0_0.xsd">
    <description>AlibabaJavaSets</description>

    <rule name="ClassCastExceptionWithToArrayRule"
          language="java"
          message="java.set.ClassCastExceptionWithToArrayRule.rule.msg"
          class="com.xenoamess.p3c.pmd.lang.java.rule.set.ClassCastExceptionWithToArrayRule">
        <priority>2</priority>
        <example>
            <![CDATA[
Negative example:
   Integer[] a = (Integer [])c.toArray();
        ]]>
        </example>
        <example>
            <![CDATA[
Positive example：
   Integer[] b = (Integer [])c.toArray(new Integer[c.size()]);
         ]]>
        </example>
    </rule>

    <rule name="UnsupportedExceptionWithModifyAsListRule"
          language="java"
          message="java.set.UnsupportedExceptionWithModifyAsListRule.rule.msg"
          class="com.xenoamess.p3c.pmd.lang.java.rule.set.UnsupportedExceptionWithModifyAsListRule">
        <priority>2</priority>
        <example>
            <![CDATA[
Positive example:
   List<String> t   = Arrays.asList("a","b","c");
   //warn
   t.add("22");
   //warn
   t.remove("22");
   //warn
   t.clear();
         ]]>
        </example>
    </rule>

    <rule name="ClassCastExceptionWithSubListToArrayListRule"
          language="java"
          message="java.set.ClassCastExceptionWithSubListToArrayListRule.rule.msg"
          class="com.xenoamess.p3c.pmd.lang.java.rule.set.ClassCastExceptionWithSubListToArrayListRule">
        <description>java.set.ClassCastExceptionWithSubListToArrayListRule.rule.msg.desc</description>
        <priority>2</priority>
        <example>
            <![CDATA[
Negative example:
   List<String> list = new ArrayList<String>();
   list.add("22");
   //warn
   List<String> test = (ArrayList<String>) list.subList(0, 1);
         ]]>
        </example>
        <example>
            <![CDATA[
Positive example:
   List<String> list2 = new ArrayList<String>(list.subList(0, 1));
         ]]>
        </example>
    </rule>

    <rule name="ConcurrentExceptionWithModifyOriginSubListRule"
          language="java"
          message="java.set.ConcurrentExceptionWithModifyOriginSubListRule.rule.msg"
          class="com.xenoamess.p3c.pmd.lang.java.rule.set.ConcurrentExceptionWithModifyOriginSubListRule">
        <priority>2</priority>
        <example>
            <![CDATA[
Negative example:
   List<String> originList = new ArrayList<String>();
   originList.add("22");
   List<String> subList = originList.subList(0, 1);
   //warn
   originList.add("22");
       ]]>
        </example>
    </rule>


    <rule name="DontModifyInForeachCircleRule"
          language="java"
          message="java.set.DontModifyInForeachCircleRule.rule.msg"
          class="com.xenoamess.p3c.pmd.lang.java.rule.set.DontModifyInForeachCircleRule">
        <priority>1</priority>

        <example>
            <![CDATA[
 Negative example:
   List<String> originList = new ArrayList<String>();
   originList.add("22");
   for (String item : originList) {
      //warn
      list.add("bb");
   }
        ]]>
        </example>
        <example>
            <![CDATA[
 Positive example:
   Iterator<Integer> it=b.iterator();
   while(it.hasNext()){
      Integer temp =  it.next();
      if (delCondition) {
          it.remove();
      }
   }
         ]]>
        </example>
    </rule>

    <rule name="CollectionInitShouldAssignCapacityRule"
          language="java"
          message="java.set.CollectionInitShouldAssignCapacityRule.rule.msg"
          class="com.xenoamess.p3c.pmd.lang.java.rule.set.CollectionInitShouldAssignCapacityRule">
        <description>java.set.CollectionInitShouldAssignCapacityRule.rule.msg.desc</description>
        <priority>3</priority>
        <example>
            <![CDATA[
 Negative example:
   Map<String, String> map = new HashMap<String, String>();

        ]]>
        </example>
        <example>
            <![CDATA[
 Positive example:
   Map<String, String> map = new HashMap<String, String>(16);
         ]]>
        </example>
    </rule>
</ruleset>