address review comments

h2/src/main/org/h2/table/Plan.java

@@ -37,8 +37,8 @@ public class Plan {
     public Plan(TableFilter[] filters, int count, Expression condition) {
         this.filters = new TableFilter[count];
         System.arraycopy(filters, 0, this.filters, 0, count);
-        final ArrayList<Expression> allCond = new ArrayList<>(count/2);
-        final ArrayList<TableFilter> all = new ArrayList<>(count);
+        final ArrayList<Expression> allCond = new ArrayList<>();
+        final ArrayList<TableFilter> all = new ArrayList<>();
         if (condition != null) {
             allCond.add(condition);
         }

h2/src/test/org/h2/test/store/TestMVStoreBenchmark.java

@@ -86,7 +86,7 @@ public class TestMVStoreBenchmark extends TestBase {
         hash = getMemory() - mem;
         mapList.size();
 
-        mapList = new ArrayList<>(count);
+        mapList.clear();
         mem = getMemory();
         for (int i = 0; i < count; i++) {
             mapList.add(new TreeMap<Integer, String>());
@@ -95,7 +95,7 @@ public class TestMVStoreBenchmark extends TestBase {
         tree = getMemory() - mem;
         mapList.size();
 
-        mapList = new ArrayList<>(count);
+        mapList.clear();
         mem = getMemory();
         MVStore store = MVStore.open(null);
         for (int i = 0; i < count; i++) {