What is the method for Java to read text and pictures in PDF

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Using tools: Free Spire.PDF for Java (free version)

Jar file acquisition and import:

Method 1: download the jar package through the official website. After downloading, extract the file and import the Spire.Pdf.jar file under the lib folder into the java program. After import, the figure is as follows:

Method 2: it can be installed and imported through maven warehouse.

Java code example

Import com.spire.pdf.*;import javax.imageio.ImageIO;import java.awt.image.BufferedImage;import java.io.File;import java.io.FileWriter;import java.io.IOException;public class ExtractText {public static void main (String [] args) throws Exception {/ / load the test document PdfDocument pdf = new PdfDocument ("sample.pdf"); / / instantiate the StringBuilder class StringBuilder sb = new StringBuilder (); / / define an int variable int index = 0; / / traverse each page of PdfPageBase page in the PDF document For (int I = 0; I