### Question:
HttpResumableChunkNumber { @Override public int hashCode() { return number; } HttpResumableChunkNumber(final int number); @Override int hashCode(); @Override boolean equals(final Object obj); @Override String toString();  }### Answer:
@Test public void testHashCode() throws Exception { HttpResumableChunkNumber resumableChunkNumber = new HttpResumableChunkNumber(1); assertEquals(1, resumableChunkNumber.hashCode()); }