tructType schema = new StructType()
     .add(new StructField("a", new IntegerType(), true))
     .add(new StructField("b", new LongType(), false))
     .add(new StructField("c", new StringType(), true))
 </code></pre></div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>field</code> - The new field to add.</dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>a <a href="../../../../io/delta/standalone/types/StructType.html" title="class in io.delta.standalone.types"><code>StructT