public class IntArrayPropertyTest {
    public void setInts(int[] ints) {
        System.out.println("received ints: " + Arrays.toString(ints));
    }
}

<bean class="foo.bar.IntArrayPropertyTest" id="test">
  <property name="ints">
    <list>
      <value>1</value>
      <value>2</value>
    </list>
  </property>
</bean>