Sample code for POI XSLFTable

package poijartest;

import java.awt.Color;
import java.awt.Rectangle;
import java.io.FileOutputStream;
import java.io.IOException;

import org.apache.poi.xslf.usermodel.XMLSlideShow;
import org.apache.poi.xslf.usermodel.XSLFSlide;
import org.apache.poi.xslf.usermodel.XSLFTable;
import org.apache.poi.xslf.usermodel.XSLFTableCell;
import org.apache.poi.xslf.usermodel.XSLFTableRow;

public class TableTest {
    public static void main(String[] args) throws IOException {
        XMLSlideShow ppt = new XMLSlideShow();
        XSLFSlide sl = ppt.createSlide();
        XSLFTable tab = sl.createTable();
        XSLFTableRow r2 = tab.addRow();
        r2.addCell();
        r2.addCell();
        r2 = tab.addRow();
        r2.addCell();
        r2.addCell();

        tab.setAnchor(new Rectangle(100,100,100,100));
        int rIdx = 0;
        for (XSLFTableRow r : tab.getRows()) {
            rIdx++;
            int cIdx = 0;
            for (XSLFTableCell tc : r.getCells()) {
                cIdx++;
                tc.setBorderBottom(2);
                tc.setBorderBottomColor(Color.BLACK);
                tc.setBorderTop(2);
                tc.setBorderTopColor(Color.BLACK);
                tc.setBorderLeft(2);
                tc.setBorderLeftColor(Color.BLACK);
                tc.setBorderRight(2);
                tc.setBorderRightColor(Color.BLACK);
                tc.setText("r"+rIdx+" c"+cIdx);
            }
        }

        FileOutputStream fos = new FileOutputStream("bla.pptx");
        ppt.write(fos);
        fos.close();
    }
}