// Create a new workbook
Workbook workbook = new Workbook();
        
// Load SSJSON file
try 
{
    FileInputStream stream = new FileInputStream("test.ssjson");
    workbook.fromJson(stream);

} 
catch (Exception e) 
{
    e.getMessage();
}
        
// Save file
workbook.save("workbook-ssjson.xlsx");

// Ignore style and formula when deserialize workbook from json.
DeserializationOptions deserializationOptions = new DeserializationOptions();
deserializationOptions.setIgnoreStyle(true);
deserializationOptions.setIgnoreFormula(true);
workbook.fromJson(json, deserializationOptions);

// Save to an excel file
workbook.save("FromJsonWithOptions.xlsx");

// Ignore style and formula when serialize workbook to json.
SerializationOptions serializationOptions = new SerializationOptions();
serializationOptions.setIgnoreStyle(true);
serializationOptions.setIgnoreFormula(true);

String jsonWithOption = workbook.toJson(serializationOptions);

workbook.fromJson(jsonWithOption);

// Save to an excel file
workbook.save("ToJsonWithOptions.xlsx");

Workbook book = new Workbook();
 
IWorksheet worksheet = book.getWorksheets().get(0);
//Add custom name style.
IStyle style = book.getStyles().add("testStyle1");
     
style.getFont().setThemeColor(ThemeColor.Accent1);
style.getFont().setTintAndShade(0.8);
style.getFont().setItalic(true);
style.getFont().setBold(true);
style.getFont().setName("LiSu");
style.getFont().setSize(28);
style.getFont().setStrikethrough(true);
style.getFont().setSubscript(true);
style.getFont().setSuperscript(false);
style.getFont().setUnderline(UnderlineType.Double);
     
Object data = new Object[][]{
    {"test", "test", "test", "test" },
    {"test", "test", "test", "test" },
    {"test", "test", "test", "test" },
    {"test", "test", "test", "test" },
    {"test", "test", "test", "test" },
};
     
worksheet.getRange("B2:E6").setValue(data);
worksheet.getRange("A:XFD").setStyle(style);
worksheet.getRange("A:XFD").setColumnWidthInPixel(20);
        
//Export sizes/styles of only used range to json
SerializationOptions options = new SerializationOptions();
options.setIgnoreColumnRowInfoOutOfUsedRange(true);
        
try {
    book.toJson(new FileOutputStream("TestJson_true.json"), options);    // Size of output file is 9KB
} catch (FileNotFoundException e1) {
    e1.printStackTrace();
}
        
//Export all sizes/styles to json
SerializationOptions options2 = new SerializationOptions();
options2.setIgnoreColumnRowInfoOutOfUsedRange(false);
        
try {
    book.toJson(new FileOutputStream("TestJson_false.json"), options2);    // Size of output file is 809KB
} catch (FileNotFoundException e1) {
    e1.printStackTrace();
}
        
//Default behavior (same as true option)
try {
    book.toJson(new FileOutputStream("TestJson_default.json"));    // Size of output file is 9KB
} catch (FileNotFoundException e) {
    e.printStackTrace();
}

 // Create a new workbook.
 var workbook = new Workbook();

 // Set options for iterative calculation.
 workbook.getOptions().getFormulas().setEnableIterativeCalculation(true);
 workbook.getOptions().getFormulas().setMaximumIterations(20);
 var worksheet = workbook.getWorksheets().get(0);

 // Set values and formulas.
 worksheet.getRange("B2").setValue("Initial Cash");
 worksheet.getRange("C2").setValue(10000);
 worksheet.getRange("B3").setValue("Interest");
 worksheet.getRange("C3").setValue(0.0125);

 worksheet.getRange("B5").setValue("Month");
 worksheet.getRange("C5").setValue("Total Cash");  

 worksheet.getRange("B6:B17").setValue(new double[] { 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12 });  

 worksheet.getRange("C6").setFormula("=C2*(1+$C$3)");  
 worksheet.getRange("C7:C17").setFormula("=C6*(1+$C$3)");  

 // Initialize SerializationOptions and set ExportSharedFormula to true.
 SerializationOptions options = new SerializationOptions();
 options.setExportSharedFormula(true);

 // Save the JSON file.
 PrintWriter out1;
try {
    out1 = new PrintWriter("ExportSharedFormulas.json");
    out1.println(workbook.toJson(options));
} catch (FileNotFoundException e1) {
    // TODO Auto-generated catch block
    e1.printStackTrace();
}     

 // Initialize SerializationOptions and set ExportSharedFormula to false.
 SerializationOptions options2 = new SerializationOptions();
 options2.setExportSharedFormula(false);

 // Save the JSON file.
 PrintWriter out2;
try {
    out2 = new PrintWriter("ExportIndividualFormulas.json");
    out2.println(workbook.toJson(options));
} catch (FileNotFoundException e) {
    // TODO Auto-generated catch block
    e.printStackTrace();
}     

//create a new workbook
Workbook workbook = new Workbook();

IWorksheet worksheet = workbook.getWorksheets().get(0);

CheckBoxListCellType cellType = new CheckBoxListCellType();
cellType.setDirection(CellTypeDirection.Horizontal);
cellType.setTextAlign(CellTypeTextAlign.Right);
cellType.setIsFlowLayout(false);
cellType.setMaxColumnCount(2);
cellType.setMaxRowCount(1);
cellType.setHorizontalSpacing(20);
cellType.setVerticalSpacing(5);

cellType.getItems().add(new SelectFieldItem("sample1", "1"));
cellType.getItems().add(new SelectFieldItem("sample2", "2"));
cellType.getItems().add(new SelectFieldItem("sample3", "3"));
cellType.getItems().add(new SelectFieldItem("sample4", "4"));
cellType.getItems().add(new SelectFieldItem("sample5", "5"));

worksheet.getRange("A1").setRowHeight(60);
worksheet.getRange("A1").setColumnWidth(25);

worksheet.getRange("A1").setCellType(cellType);
        
//check multiple options in the check box list
worksheet.getRange("A1").setValue(new Object[][]{
{new Object[]{"1", "3", "5"}}
});
        

//save to an pdf file
workbook.save("AddCheckBoxListCellType.pdf");    

//create a new workbook
Workbook workbook = new Workbook();

Workbook.setValueJsonSerializer(new CustomObjectJsonSerializer());
IWorksheet worksheet = workbook.getWorksheets().get(0);

CheckBoxListCellType cellType = new CheckBoxListCellType();
cellType.setDirection(CellTypeDirection.Horizontal);
cellType.setTextAlign(CellTypeTextAlign.Right);
cellType.setIsFlowLayout(false);
cellType.setMaxColumnCount(2);
cellType.setMaxRowCount(1);
cellType.setHorizontalSpacing(20);
cellType.setVerticalSpacing(5);

cellType.getItems().add(new SelectFieldItem("player1", new People(5, "Tom")));
cellType.getItems().add(new SelectFieldItem("player2", new People(5, "Jerry")));
cellType.getItems().add(new SelectFieldItem("player3", new People(6, "Mario")));
cellType.getItems().add(new SelectFieldItem("player4", new People(4, "Luigi")));

worksheet.getRange("A1").setRowHeight(40);
worksheet.getRange("A1").setColumnWidth(25);

worksheet.getRange("A1").setCellType(cellType);
worksheet.getRange("A1").setValue(new Object[][]{
{new Object[]{new People(5, "Tom"), new People(6, "Mario")}}
});
        
//save to an pdf file
workbook.save("AddCheckBoxListCellTypeCustomObject.pdf");
    
}
class CustomObjectJsonSerializer implements IJsonSerializer {
Gson gson = new Gson();
public final Object deserialize(String json) {
    return this.gson.fromJson(json, JsonElement.class);
}
    
public final String serialize(Object value) {
    return this.gson.toJson(value);
}
}
    
class People {
private int age;
private String name;
        
public int getAge() {
    return age;
}
        
public void setAge(int age) {
    this.age = age;
}
        
public String getName() {
    return name;
}
        
public void setName(String name) {
    this.name = name;
}
        
public People(int age, String name){
    this.age = age;
    this.name = name;
}
        
@Override
public boolean equals(Object obj){
    return obj instanceof People && age == ((People)obj).getAge() && name.equals(((People)obj).getName());
}
        
@Override
public int hashCode() {
    int hashCode = 17;
    
    hashCode = 31 * hashCode + this.age;
    hashCode = 31 * hashCode + (this.name == null ? 0 : this.name.hashCode());
    
    return hashCode;
}
}

//create a new workbook
Workbook workbook = new Workbook();
 IWorksheet worksheet = workbook.getWorksheets().get(0);

RadioButtonListCellType cellType = new RadioButtonListCellType();

cellType.setDirection(CellTypeDirection.Horizontal);
cellType.setTextAlign(CellTypeTextAlign.Right);
cellType.setIsFlowLayout(false);
cellType.setMaxColumnCount(2);
cellType.setMaxRowCount(1);
cellType.setHorizontalSpacing(20);
cellType.setVerticalSpacing(5);

cellType.getItems().add(new SelectFieldItem("sample1", "1"));
cellType.getItems().add(new SelectFieldItem("sample2", "2"));
cellType.getItems().add(new SelectFieldItem("sample3", "3"));
cellType.getItems().add(new SelectFieldItem("sample4", "4"));
cellType.getItems().add(new SelectFieldItem("sample5", "5"));

worksheet.getRange("A1").setRowHeight(60);
worksheet.getRange("A1").setColumnWidth(25);

worksheet.getRange("A1").setCellType(cellType);
worksheet.getRange("A1").setValue("1");
        
//check multiple options in the radio button list
worksheet.getRange("A1").setValue(new Object[][]{
{
    new Object[]{"1", "3", "5"}}
});
        
//save to an pdf file
workbook.save("AddRadioListCellType.pdf");

//create a new workbook
Workbook workbook = new Workbook();

Workbook.setValueJsonSerializer(new CustomObjectJsonSerializer());
IWorksheet worksheet = workbook.getWorksheets().get(0);

RadioButtonListCellType cellType = new RadioButtonListCellType();
cellType.setDirection(CellTypeDirection.Horizontal);
cellType.setTextAlign(CellTypeTextAlign.Right);
cellType.setIsFlowLayout(false);
cellType.setMaxColumnCount(2);
cellType.setMaxRowCount(1);
cellType.setHorizontalSpacing(20);
cellType.setVerticalSpacing(5);

cellType.getItems().add(new SelectFieldItem("player1", new People(5, "Tom")));
cellType.getItems().add(new SelectFieldItem("player2", new People(5, "Jerry")));
cellType.getItems().add(new SelectFieldItem("player3", new People(6, "Mario")));
cellType.getItems().add(new SelectFieldItem("player4", new People(4, "Luigi")));

worksheet.getRange("A1").setRowHeight(40);
worksheet.getRange("A1").setColumnWidth(25);

worksheet.getRange("A1").setCellType(cellType);
worksheet.getRange("A1").setValue(new People(6, "Mario"));

//save to an pdf file
workbook.save("AddRadioButtonCellTypeCustomObject.pdf");
}
    
class CustomObjectJsonSerializer implements IJsonSerializer {
Gson gson = new Gson();
public final Object deserialize(String json) {
    return this.gson.fromJson(json, JsonElement.class);
}
    
public final String serialize(Object value) {
    return this.gson.toJson(value);
}
}
    
class People {
private int age;
private String name;
        
public int getAge() {
    return age;
}
        
public void setAge(int age) {
    this.age = age;
}
        
public String getName() {
    return name;
}
        
public void setName(String name) {
    this.name = name;
}
        
public People(int age, String name){
    this.age = age;
    this.name = name;
}
    
@Override
public boolean equals(Object obj){
    return obj instanceof People && age == ((People)obj).getAge() && name.equals(((People)obj).getName());
}
        
@Override
public int hashCode() {
    int hashCode = 17;
    
    hashCode = 31 * hashCode + this.age;
    hashCode = 31 * hashCode + (this.name == null ? 0 : this.name.hashCode());
    
    return hashCode;
}
}

// Create a new workbook
Workbook workbook = new Workbook();
// Get the sheet
IWorksheet worksheet = workbook.getWorksheets().get(0);
// Set row height
worksheet.getRange("A:A").setRowHeight(40);
// Set column width
worksheet.getRange("A:A").setColumnWidth(25);
// Set watermark
worksheet.getRange("A1").setWatermark("JAVA");
// Set cell padding
worksheet.getRange("A1").setCellPadding(new CellPadding(50, 0, 0, 0));
// Set label options
worksheet.getRange("A1").getLabelOptions().setVisibility(LabelVisibility.visible);
worksheet.getRange("A1").getLabelOptions().setForeColor(Color.GetGreen());
worksheet.getRange("A1").getLabelOptions().setMargin(new Margin(15, 0, 0, 0));
worksheet.getRange("A1").getLabelOptions().getFont().setSize(14);
worksheet.getRange("A1").getLabelOptions().getFont().setName("Calibri");
worksheet.getRange("A1").getBorders().setLineStyle(BorderLineStyle.Thin);

// Save to a pdf file
workbook.save("CellPaddingAndLabels.pdf");

// Create a new workbook
Workbook workbook = new Workbook();
// Get the sheet
IWorksheet worksheet = workbook.getWorksheets().get(0);
// Load an image from a specific file in input stream
InputStream stream = new FileInputStream("image.png");
// Add background picture
IBackgroundPicture picture = worksheet.getBackgroundPictures().addPictureInPixel(stream, ImageType.PNG, 10, 10,
        500, 370);
// Set image layout
picture.setBackgroundImageLayout(ImageLayout.Zoom);
// Set options
workbook.getActiveSheet().getPageSetup().setPrintGridlines(true);
// Save to a pdf file
workbook.save("BackgroundImage.pdf");

// Create a new workbook
Workbook workbook = new Workbook();
// Load JSON file
FileInputStream stream = new FileInputStream("BackgroundImage.json");
workbook.fromJson(stream);
// Save file
workbook.save("BackgroundImage.pdf");

// Create a new workbook
Workbook workbook = new Workbook();
// Get the sheet
IWorksheet worksheet = workbook.getWorksheets().get(0);

// Set background color
workbook.getBookView().setBackColor(Color.GetLightSkyBlue());
workbook.getBookView().setGrayAreaBackColor(Color.GetGray());

worksheet.getRange("H20").setValue("The text");

// Set page options
worksheet.getPageSetup().setPrintGridlines(true);
worksheet.getPageSetup().setPrintHeadings(true);

// Save to a pdf file
workbook.save("BackgroundColor.pdf");

//create a new workbook
Workbook workbook = new Workbook();
IWorksheet worksheet = workbook.getWorksheets().get(0);
        
worksheet.getRange("A1").setValue(1);
worksheet.getRange("A11").setValue(2);
        
// Modify the row count and column count of the worksheet.
worksheet.setRowCount(10);
worksheet.setColumnCount(10);
        
SerializationOptions options = new SerializationOptions();
options.setIgnoreRangeOutOfRowColumnCount(true);
        
// Save to a json file.
// Open this json file with spreadjs, you will find that the row count is 10, and the column count is 10.
        
try {
    workbook.toJson(new FileOutputStream("RowColumnCount.json"), options);
} catch (FileNotFoundException e) {
    e.printStackTrace();
}

//create a new workbook
Workbook workbook = new Workbook();
workbook.getWorksheets().add();
        
workbook.getBookView().setAllowSheetReorder(false);
workbook.getBookView().setTabEditable(false);
workbook.getBookView().setTabNavigationVisible(false);
workbook.getBookView().setTabStripPosition(SpreadJSTabStripPosition.Left);
workbook.getBookView().setTabStripWidth(150);
workbook.getBookView().setNewTabVisible(false);
        
try {
    workbook.toJson(new FileOutputStream("sheettabposition.json"));
} catch (FileNotFoundException e1) {
    e1.printStackTrace();
}

//create a new workbook
Workbook workbook = new Workbook();
IWorksheet worksheet = workbook.getWorksheets().get(0);
        
CheckBoxListCellType celltype = new CheckBoxListCellType();
celltype.setTextAlign(CellTypeTextAlign.Right);
celltype.setIsFlowLayout(false);
celltype.setMaxColumnCount(2);
celltype.setMaxRowCount(1);
celltype.setHorizontalSpacing(20);
celltype.setVerticalSpacing(5);
celltype.setBoxSize(40);
celltype.setAutoBoxSize(true);
        
celltype.getItems().add(new SelectFieldItem("sample1", "1"));
celltype.getItems().add(new SelectFieldItem("sample2", "2"));
celltype.getItems().add(new SelectFieldItem("sample3", "3"));
celltype.getItems().add(new SelectFieldItem("sample4", "4"));
celltype.getItems().add(new SelectFieldItem("sample5", "5"));
        
worksheet.getRange("A1:C3").setColumnWidth(25);
worksheet.getRange("A1:C3").setCellType(celltype);
worksheet.getRange("A1:C3").setValue(new Object[][]{
    {new Object[]{"1", "3", "5"}}
});
        
try {
    workbook.toJson(new FileOutputStream("checkboxlistsize.json"));
} catch (FileNotFoundException e1) {
    e1.printStackTrace();
}