@@ -243,7 +243,7 @@ public ArrayList<String> getMetaDataColumns() {
243243 ArrayList <String > metaColumns = new ArrayList <String >();
244244 for (String key : metaDataColumnsHashMap .keySet ()) {
245245 HeaderInfo hi = columnLookup .get (key );
246- if (hi .isHide () == false ) {
246+ if (! hi .isHide ()) {
247247 metaColumns .add (key );
248248 }
249249 }
@@ -258,7 +258,7 @@ public ArrayList<String> getMetaDataRows() {
258258 ArrayList <String > metaRows = new ArrayList <String >();
259259 for (String key : metaDataRowsHashMap .keySet ()) {
260260 HeaderInfo hi = rowLookup .get (key );
261- if (hi .isHide () == false ) {
261+ if (! hi .isHide ()) {
262262 metaRows .add (key );
263263 }
264264 }
@@ -273,7 +273,7 @@ public ArrayList<String> getDataColumns() {
273273 ArrayList <String > dataColumns = new ArrayList <String >();
274274 ArrayList <String > columns = this .getColumns ();
275275 for (String column : columns ) {
276- if (metaDataColumnsHashMap .containsKey (column ) == false ) {
276+ if (! metaDataColumnsHashMap .containsKey (column )) {
277277 dataColumns .add (column );
278278 }
279279 }
@@ -439,7 +439,7 @@ public void setMetaDataRowsAfterRow(String row) {
439439 ArrayList <String > rows = this .getRows ();
440440 boolean metarow = false ;
441441 for (String r : rows ) {
442- if (r .equals (row ) && metarow == false ) {
442+ if (r .equals (row ) && ! metarow ) {
443443 metarow = true ;
444444 }
445445 if (metarow ) {
@@ -456,7 +456,7 @@ public void setMetaDataColumnsAfterColumn(String column) {
456456 ArrayList <String > cols = this .getColumns ();
457457 boolean metacolumns = false ;
458458 for (String col : cols ) {
459- if (col .equals (column ) && metacolumns == false ) {
459+ if (col .equals (column ) && ! metacolumns ) {
460460 metacolumns = true ;
461461 }
462462 if (metacolumns ) {
@@ -1067,7 +1067,7 @@ public ArrayList<String> getColumns() {
10671067 ArrayList <String > columns = new ArrayList <String >();
10681068 for (String col : columnLookup .keySet ()) {
10691069 HeaderInfo hi = columnLookup .get (col );
1070- if (hi .isHide () == false ) {
1070+ if (! hi .isHide ()) {
10711071 columns .add (col );
10721072 }
10731073 }
@@ -1087,7 +1087,7 @@ public ArrayList<String> getDiscreteColumnValues(String column) throws Exception
10871087 ArrayList <String > rows = getDataRows ();
10881088 for (String row : rows ) {
10891089 String value = getCell (row , column );
1090- if (hashMapValues .containsKey (value ) == false ) {
1090+ if (! hashMapValues .containsKey (value )) {
10911091 hashMapValues .put (value , value );
10921092 values .add (value );
10931093 }
@@ -1107,7 +1107,7 @@ public ArrayList<String> getDiscreteRowValues(String row) throws Exception {
11071107 ArrayList <String > values = new ArrayList <String >();
11081108 for (String column : getColumns ()) {
11091109 String value = getCell (row , column );
1110- if (hashMapValues .containsKey (value ) == false ) {
1110+ if (! hashMapValues .containsKey (value )) {
11111111 hashMapValues .put (value , value );
11121112 values .add (value );
11131113 }
@@ -1138,7 +1138,7 @@ public ArrayList<String> getRows() {
11381138 ArrayList <String > rows = new ArrayList <String >();
11391139 for (String row : rowLookup .keySet ()) {
11401140 HeaderInfo hi = rowLookup .get (row );
1141- if (hi .isHide () == false ) {
1141+ if (! hi .isHide ()) {
11421142 rows .add (row );
11431143 }
11441144 }
@@ -1157,7 +1157,7 @@ public ArrayList<String> getDataRows() {
11571157 continue ;
11581158 }
11591159 HeaderInfo hi = rowLookup .get (row );
1160- if (hi .isHide () == false ) {
1160+ if (! hi .isHide ()) {
11611161 rows .add (row );
11621162 }
11631163 }
@@ -1383,24 +1383,24 @@ static public WorkSheet unionWorkSheetsRowJoin(WorkSheet w1, WorkSheet w2, boole
13831383
13841384
13851385 if (secondSheetMetaData ) {
1386- if (w1 .getColumns ().contains ("META_DATA" ) == false ) {
1386+ if (! w1 .getColumns ().contains ("META_DATA" )) {
13871387 w1DataColumns .add ("META_DATA" );
13881388 }
13891389 }
13901390
13911391 ArrayList <String > joinedColumns = new ArrayList <String >();
13921392 joinedColumns .addAll (w1DataColumns );
13931393 joinedColumns .addAll (w2DataColumns );
1394- if (joinedColumns .contains ("META_DATA" ) == false && (w1MetaDataColumns .size () > 0 || w2MetaDataColumns .size () > 0 )) {
1394+ if (! joinedColumns .contains ("META_DATA" ) && (w1MetaDataColumns .size () > 0 || w2MetaDataColumns .size () > 0 )) {
13951395 joinedColumns .add ("META_DATA" );
13961396 }
13971397 for (String column : w1MetaDataColumns ) {
1398- if (joinedColumns .contains (column ) == false ) {
1398+ if (! joinedColumns .contains (column )) {
13991399 joinedColumns .add (column );
14001400 }
14011401 }
14021402 for (String column : w2MetaDataColumns ) {
1403- if (joinedColumns .contains (column ) == false ) {
1403+ if (! joinedColumns .contains (column )) {
14041404 joinedColumns .add (column );
14051405 }
14061406 }
@@ -1489,7 +1489,7 @@ static public WorkSheet readCSV(InputStream is, char delimiter) throws Exception
14891489 public void saveCSV (String fileName ) throws Exception {
14901490 File f = new File (fileName );
14911491 File parentFile = f .getParentFile ();
1492- if (parentFile .isDirectory () == false ) {
1492+ if (! parentFile .isDirectory ()) {
14931493 parentFile .mkdirs ();
14941494 }
14951495 FileOutputStream file = new FileOutputStream (fileName );
@@ -1507,7 +1507,7 @@ public void saveCSV(String fileName) throws Exception {
15071507 public void saveTXT (String fileName ) throws Exception {
15081508 File f = new File (fileName );
15091509 File parentFile = f .getParentFile ();
1510- if (parentFile .isDirectory () == false ) {
1510+ if (! parentFile .isDirectory ()) {
15111511 parentFile .mkdirs ();
15121512 }
15131513 FileOutputStream file = new FileOutputStream (fileName );
@@ -1570,7 +1570,7 @@ public void appendWorkSheetRows(WorkSheet worksheet) throws Exception {
15701570
15711571 this .addRows (newRows , "" );
15721572 for (String col : this .getColumns ()) {
1573- if (worksheet .isValidColumn (col ) == false ) {
1573+ if (! worksheet .isValidColumn (col )) {
15741574 continue ;
15751575 }
15761576 for (String row : newRows ) {
@@ -1618,7 +1618,7 @@ public void save(OutputStream outputStream, char delimitter, boolean quoteit) th
16181618 // try{
16191619 String value = getCell (row , col );
16201620 outputStream .write (delimitter );
1621- if (this .isMetaDataColumn (col ) == false && this .isMetaDataRow (row ) == false ) {
1621+ if (! this .isMetaDataColumn (col ) && ! this .isMetaDataRow (row )) {
16221622 if (value == null || value .length () == 0 || value .equalsIgnoreCase ("null" )) {
16231623 value = "NaN" ;
16241624 }
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