### Question:
VariableDataSchema extends AbstractDataSchema<Object> { @Override public boolean equals(Object obj) { return super.equals(obj); }  @Override int hashCode(); @Override boolean equals(Object obj); @Override String getType(); @Override Class getClassType(); @Override String toString();  }### Answer:
@Test public void testEquals() { VariableDataSchema schema1 = new VariableDataSchema.Builder().setType("string").build(); VariableDataSchema schema2 = new VariableDataSchema.Builder().setType("string").build(); assertEquals(schema1, schema2); }