package com.aspose.pdf.examples.AsposePdfExamples.Images; import com.aspose.pdf.Document; public class ReplaceImageInExistingPDFFile { public static void main(String[] args) throws Exception { // Open a document Document pdfDocument = new Document("input.pdf"); // Replace a particular image pdfDocument.getPages().get_Item(1).getResources().getImages().replace(1, new java.io.FileInputStream(new java.io.File("apose.png"))); // Save the updated PDF file pdfDocument.save("output.pdf"); } }