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// Load the input PDF document
Document document = new Document("Sample.pdf");

// Delete the Page Number Two - The 2nd Page 
document.Pages.Delete(1);

// Save output PDF file
document.Save("Page_Deleted.pdf");

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// Load the input Excel file
com.aspose.cells.Workbook workbook = new com.aspose.cells.Workbook("Excel.xlsx");

// Convert XLSX to CSV file
workbook.save("ExcelToCSV.csv", com.aspose.cells.SaveFormat.CSV);

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// Load the input Excel file
Workbook workbook = new Workbook("Excel.xlsx");

// Convert XLSX to CSV file
workbook.Save("ExcelToCSV.csv", Aspose.Cells.SaveFormat.Csv);

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// Initialize an object of Scene class
Aspose.ThreeD.Scene scene = new Aspose.ThreeD.Scene();

// Load input STL file with Open method
scene.Open("test.stl");

// Specify the output format for the Wavefront OBJ file
Aspose.ThreeD.FileFormat outputformat = Aspose.ThreeD.FileFormat.WavefrontOBJ;

// Convert STL to OBJ Object file

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// Create an object of Document class and load the source file 
Document doc = new Document("Sample.pdf");

// Invoke this method setBackground to set the background color of the document  
doc.setBackground(java.awt.Color.CYAN);

// Call this setFitWindow method to set flag specifying whether document window must be resized to fit the first displayed page. 
doc.setFitWindow(true);

// Instantiate PptxSaveOptions instance 

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// Load input Word document
Aspose.Words.Document doc = new Aspose.Words.Document("input.docx");

// Create an object of OoxmlSaveOptions class
Aspose.Words.Saving.OoxmlSaveOptions saveOptions = new Aspose.Words.Saving.OoxmlSaveOptions(Aspose.Words.SaveFormat.Docx);

// Use Super Fast compression level for faster and weaker compression
saveOptions.CompressionLevel = Aspose.Words.Saving.CompressionLevel.SuperFast;

// Save compressed Word DOCX document

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string inputFile ="file.fbx";
using (Image image = Image.Load(inputFile))
{
    // Initialize  ObjOptions class object
    ObjOptions options = new ObjOptions();

    // Export FBX to OBJ
    string outPath = "output.obj";
    image.Save(outPath, options);
}

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Learn how to export data from Arrays, JSON, or CSV to Excel programmatically using Java:

You can export data to Excel programmatically as described below:

1. Export Array to Excel in Java
2. Generate Excel File in Java
3. Export ArrayList to Excel in Java
4. Collection of Custom Objects to Excel in Java
5. Export Data with Merged Cells in Java
6. Copy Rows and Columns from one Excel file to Another in Java
7. Export JSON Data to Excel in Java

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// Load PDF document
Document document = new Document("input.pdf");

// Convert PDF to XML format
document.save("output.xml", com.aspose.pdf.SaveFormat.MobiXml);

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// Load Excel file
Workbook wb = new Workbook("Workbook.xlsx");

// Create JsonSaveOptions class object
Aspose.Cells.JsonSaveOptions options = new Aspose.Cells.JsonSaveOptions();
options.SkipEmptyRows = true;
options.ExportAsString = true;

// Save as JSON
wb.Save("Excel_to_JSON.json", options);