调整代码满足pmd编码规范

easyexcel-core/src/main/java/com/alibaba/excel/analysis/csv/BomBufferedInputStream.java

@@ -66,7 +66,6 @@ public class BomBufferedInputStream extends BufferedInputStream {
 
         reset();
         if (byteOrderMark != null) {
-            // read(new byte[byteOrderMark.length()]);
             skip(byteOrderMark.length());
         }
         initialized = true;

easyexcel-core/src/main/java/com/alibaba/excel/analysis/csv/ByteOrderMark.java

@@ -46,14 +46,6 @@ public class ByteOrderMark implements Comparable<ByteOrderMark> {
      */
     public static final ByteOrderMark UTF_32LE = new ByteOrderMark(Charset.forName("UTF-32LE"), 0xFF, 0xFE, 0x00, 0x00);
 
-    /**
-     * Unicode BOM character; external form depends on the encoding.
-     *
-     * @see <a href="http://unicode.org/faq/utf_bom.html#BOM">Byte Order Mark (BOM) FAQ</a>
-     * @since 2.5
-     */
-    public static final char UTF_BOM = '\uFEFF';
-
     private final Charset charset;
     private final int[] bytes;
 
@@ -79,8 +71,12 @@ public class ByteOrderMark implements Comparable<ByteOrderMark> {
 
     @Override
     public boolean equals(Object o) {
-        if (this == o) return true;
+        if (this == o) {
-        if (o == null || getClass() != o.getClass()) return false;
+            return true;
+        }
+        if (o == null || getClass() != o.getClass()) {
+            return false;
+        }
         ByteOrderMark that = (ByteOrderMark) o;
         return Objects.equals(charset, that.charset) && Arrays.equals(bytes, that.bytes);
     }