diff --git a/apache-poi/pom.xml b/apache-poi/pom.xml
index d94b2e2ad1..1b97248ab2 100644
--- a/apache-poi/pom.xml
+++ b/apache-poi/pom.xml
@@ -9,6 +9,7 @@
3.6.0
4.12
3.15
+ 1.0.6
@@ -37,5 +38,20 @@
poi-ooxml
${poi.version}
+
+ org.apache.poi
+ poi
+ ${poi.version}
+
+
+ org.apache.poi
+ poi-ooxml-schemas
+ ${poi.version}
+
+
+ org.jxls
+ jxls-jexcel
+ ${jexcel.version}
+
diff --git a/apache-poi/src/main/java/com/baeldung/jexcel/JExcelHelper.java b/apache-poi/src/main/java/com/baeldung/jexcel/JExcelHelper.java
new file mode 100644
index 0000000000..39076fd709
--- /dev/null
+++ b/apache-poi/src/main/java/com/baeldung/jexcel/JExcelHelper.java
@@ -0,0 +1,79 @@
+package com.baeldung.jexcel;
+
+import jxl.*;
+import java.util.Map;
+import java.util.HashMap;
+import java.util.ArrayList;
+import java.util.List;
+import jxl.read.biff.BiffException;
+import java.io.File;
+import java.io.IOException;
+import jxl.write.*;
+import jxl.write.Number;
+import jxl.format.Colour;
+
+public class JExcelHelper {
+
+ public Map> readJExcel(String fileLocation) throws IOException, BiffException {
+ Map> data = new HashMap<>();
+
+ Workbook workbook = Workbook.getWorkbook(new File(fileLocation));
+ Sheet sheet = workbook.getSheet(0);
+ int rows = sheet.getRows();
+ int columns = sheet.getColumns();
+
+ for (int i = 0; i < rows; i++) {
+ data.put(i, new ArrayList());
+ for (int j = 0; j < columns; j++) {
+ data.get(i).add(sheet.getCell(j, i).getContents());
+ }
+ }
+ return data;
+ }
+
+ public void writeJExcel() throws IOException, WriteException {
+ WritableWorkbook workbook = null;
+ try {
+ File currDir = new File(".");
+ String path = currDir.getAbsolutePath();
+ String fileLocation = path.substring(0, path.length() - 1) + "temp.xls";
+
+ workbook = Workbook.createWorkbook(new File(fileLocation));
+
+ WritableSheet sheet = workbook.createSheet("Sheet 1", 0);
+
+ WritableCellFormat headerFormat = new WritableCellFormat();
+ WritableFont font = new WritableFont(WritableFont.ARIAL, 16, WritableFont.BOLD);
+ headerFormat.setFont(font);
+ headerFormat.setBackground(Colour.LIGHT_BLUE);
+ headerFormat.setWrap(true);
+ Label headerLabel = new Label(0, 0, "Name", headerFormat);
+ sheet.setColumnView(0, 60);
+ sheet.addCell(headerLabel);
+
+ headerLabel = new Label(1, 0, "Age", headerFormat);
+ sheet.setColumnView(0, 40);
+ sheet.addCell(headerLabel);
+
+ WritableCellFormat cellFormat = new WritableCellFormat();
+ cellFormat.setWrap(true);
+
+ Label cellLabel = new Label(0, 2, "John Smith", cellFormat);
+ sheet.addCell(cellLabel);
+ Number cellNumber = new Number(1, 2, 20, cellFormat);
+ sheet.addCell(cellNumber);
+
+ cellLabel = new Label(0, 3, "Ana Johnson", cellFormat);
+ sheet.addCell(cellLabel);
+ cellNumber = new Number(1, 3, 30, cellFormat);
+ sheet.addCell(cellNumber);
+
+ workbook.write();
+ } finally {
+ if (workbook != null) {
+ workbook.close();
+ }
+ }
+
+ }
+}
\ No newline at end of file
diff --git a/apache-poi/src/main/java/com/baeldung/poi/excel/ExcelPOIHelper.java b/apache-poi/src/main/java/com/baeldung/poi/excel/ExcelPOIHelper.java
new file mode 100644
index 0000000000..841be22d62
--- /dev/null
+++ b/apache-poi/src/main/java/com/baeldung/poi/excel/ExcelPOIHelper.java
@@ -0,0 +1,137 @@
+package com.baeldung.poi.excel;
+
+import org.apache.poi.ss.usermodel.Cell;
+import org.apache.poi.ss.usermodel.CellType;
+import org.apache.poi.ss.usermodel.CellStyle;
+import org.apache.poi.ss.usermodel.IndexedColors;
+import org.apache.poi.ss.usermodel.Row;
+import org.apache.poi.ss.usermodel.Sheet;
+import org.apache.poi.ss.usermodel.Workbook;
+import org.apache.poi.xssf.usermodel.XSSFWorkbook;
+import org.apache.poi.xssf.usermodel.XSSFFont;
+import org.apache.poi.ss.usermodel.DateUtil;
+import org.apache.poi.ss.usermodel.FillPatternType;
+import java.io.File;
+import java.io.FileOutputStream;
+import java.io.FileInputStream;
+import java.io.IOException;
+import java.io.InputStream;
+import java.util.Map;
+import java.util.HashMap;
+import java.util.ArrayList;
+import java.util.List;
+
+public class ExcelPOIHelper {
+
+ public Map> readExcel(String fileLocation) throws IOException {
+
+ Map> data = new HashMap<>();
+ FileInputStream file = new FileInputStream(new File(fileLocation));
+ Workbook workbook = new XSSFWorkbook(file);
+ Sheet sheet = workbook.getSheetAt(0);
+ int i = 0;
+ for (Row row : sheet) {
+ data.put(i, new ArrayList());
+ for (Cell cell : row) {
+ switch (cell.getCellTypeEnum()) {
+ case STRING:
+ data.get(i)
+ .add(cell.getRichStringCellValue()
+ .getString());
+ break;
+ case NUMERIC:
+ if (DateUtil.isCellDateFormatted(cell)) {
+ data.get(i)
+ .add(cell.getDateCellValue() + "");
+ } else {
+ data.get(i)
+ .add((int)cell.getNumericCellValue() + "");
+ }
+ break;
+ case BOOLEAN:
+ data.get(i)
+ .add(cell.getBooleanCellValue() + "");
+ break;
+ case FORMULA:
+ data.get(i)
+ .add(cell.getCellFormula() + "");
+ break;
+ default:
+ data.get(i)
+ .add(" ");
+ }
+ }
+ i++;
+ }
+ if (workbook != null){
+ workbook.close();
+ }
+ return data;
+ }
+
+ public void writeExcel() throws IOException {
+ Workbook workbook = new XSSFWorkbook();
+
+ try {
+ Sheet sheet = workbook.createSheet("Persons");
+ sheet.setColumnWidth(0, 6000);
+ sheet.setColumnWidth(1, 4000);
+
+ Row header = sheet.createRow(0);
+
+ CellStyle headerStyle = workbook.createCellStyle();
+
+ headerStyle.setFillForegroundColor(IndexedColors.LIGHT_BLUE.getIndex());
+ headerStyle.setFillPattern(FillPatternType.SOLID_FOREGROUND);
+
+ XSSFFont font = ((XSSFWorkbook) workbook).createFont();
+ font.setFontName("Arial");
+ font.setFontHeightInPoints((short) 16);
+ font.setBold(true);
+ headerStyle.setFont(font);
+
+ Cell headerCell = header.createCell(0);
+ headerCell.setCellValue("Name");
+ headerCell.setCellStyle(headerStyle);
+
+ headerCell = header.createCell(1);
+ headerCell.setCellValue("Age");
+ headerCell.setCellStyle(headerStyle);
+
+ CellStyle style = workbook.createCellStyle();
+ style.setWrapText(true);
+
+ Row row = sheet.createRow(2);
+ Cell cell = row.createCell(0);
+ cell.setCellValue("John Smith");
+ cell.setCellStyle(style);
+
+ cell = row.createCell(1);
+ cell.setCellValue(20);
+ cell.setCellStyle(style);
+
+ row = sheet.createRow(3);
+ cell = row.createCell(0);
+ cell.setCellValue("Ana Johnson");
+ cell.setCellStyle(style);
+
+ cell = row.createCell(1);
+ cell.setCellValue(30);
+ cell.setCellStyle(style);
+
+ File currDir = new File(".");
+ String path = currDir.getAbsolutePath();
+ String fileLocation = path.substring(0, path.length() - 1) + "temp.xlsx";
+
+ FileOutputStream outputStream = new FileOutputStream(fileLocation);
+ workbook.write(outputStream);
+ } finally {
+ if (workbook != null) {
+
+ workbook.close();
+
+ }
+ }
+ }
+
+}
\ No newline at end of file
diff --git a/apache-poi/src/test/java/com/baeldung/jexcel/JExcelTest.java b/apache-poi/src/test/java/com/baeldung/jexcel/JExcelTest.java
new file mode 100644
index 0000000000..f0c129eb22
--- /dev/null
+++ b/apache-poi/src/test/java/com/baeldung/jexcel/JExcelTest.java
@@ -0,0 +1,62 @@
+package com.baeldung.jexcel;
+
+import java.io.File;
+import java.io.FileOutputStream;
+import java.io.IOException;
+import java.io.InputStream;
+import jxl.read.biff.BiffException;
+import java.util.Map;
+import java.util.ArrayList;
+import java.util.List;
+
+import com.baeldung.jexcel.JExcelHelper;
+
+import jxl.write.WriteException;
+import jxl.read.biff.BiffException;
+
+import static org.junit.Assert.assertEquals;
+import static org.junit.Assert.assertTrue;
+
+import org.junit.Test;
+import org.junit.Before;
+
+public class JExcelTest {
+
+ private JExcelHelper jExcelHelper;
+ private static String FILE_NAME = "temp.xls";
+ private String fileLocation;
+
+ @Before
+ public void generateExcelFile() throws IOException, WriteException {
+
+ File currDir = new File(".");
+ String path = currDir.getAbsolutePath();
+ fileLocation = path.substring(0, path.length() - 1) + FILE_NAME;
+
+ jExcelHelper = new JExcelHelper();
+ jExcelHelper.writeJExcel();
+
+ }
+
+ @Test
+ public void whenParsingJExcelFile_thenCorrect() throws IOException, BiffException {
+ Map> data = jExcelHelper.readJExcel(fileLocation);
+
+ assertEquals("Name", data.get(0)
+ .get(0));
+ assertEquals("Age", data.get(0)
+ .get(1));
+
+ assertEquals("John Smith", data.get(2)
+ .get(0));
+ assertEquals("20", data.get(2)
+ .get(1));
+
+ assertEquals("Ana Johnson", data.get(3)
+ .get(0));
+ assertEquals("30", data.get(3)
+ .get(1));
+
+ }
+
+}
\ No newline at end of file
diff --git a/apache-poi/src/test/java/com/baeldung/poi/excel/ExcelTest.java b/apache-poi/src/test/java/com/baeldung/poi/excel/ExcelTest.java
new file mode 100644
index 0000000000..f58db241b2
--- /dev/null
+++ b/apache-poi/src/test/java/com/baeldung/poi/excel/ExcelTest.java
@@ -0,0 +1,59 @@
+package com.baeldung.poi.excel;
+
+import java.io.File;
+import java.io.FileOutputStream;
+import java.io.IOException;
+import java.io.InputStream;
+import jxl.read.biff.BiffException;
+import java.util.Map;
+import java.util.ArrayList;
+import java.util.List;
+
+import com.baeldung.poi.excel.ExcelPOIHelper;
+
+import static org.junit.Assert.assertEquals;
+import static org.junit.Assert.assertTrue;
+
+import org.junit.Test;
+import org.junit.Before;
+
+public class ExcelTest {
+
+ private ExcelPOIHelper excelPOIHelper;
+ private static String FILE_NAME = "temp.xlsx";
+ private String fileLocation;
+
+ @Before
+ public void generateExcelFile() throws IOException {
+
+ File currDir = new File(".");
+ String path = currDir.getAbsolutePath();
+ fileLocation = path.substring(0, path.length() - 1) + FILE_NAME;
+
+ excelPOIHelper = new ExcelPOIHelper();
+ excelPOIHelper.writeExcel();
+
+ }
+
+ @Test
+ public void whenParsingPOIExcelFile_thenCorrect() throws IOException {
+ Map> data = excelPOIHelper.readExcel(fileLocation);
+
+ assertEquals("Name", data.get(0)
+ .get(0));
+ assertEquals("Age", data.get(0)
+ .get(1));
+
+ assertEquals("John Smith", data.get(1)
+ .get(0));
+ assertEquals("20", data.get(1)
+ .get(1));
+
+ assertEquals("Ana Johnson", data.get(2)
+ .get(0));
+ assertEquals("30", data.get(2)
+ .get(1));
+
+ }
+
+}
\ No newline at end of file