### Question:
TextExpression implements Distributable { @Override public int hashCode() { return expression.hashCode(); } TextExpression(String aExpression); String get(); @Override boolean equals(Object o); @Override int hashCode(); @Override Map<String, Object> serialize(); static TextExpression deserialize(Map<String,Object> aSerializedData); final String expression; }### Answer:
@Test public void testHashCode() throws Exception { TextExpression theExpression = new TextExpression("test"); assertEquals(3556498, theExpression.hashCode()); }