如何在Java中將itext pdf文件的段落設置為帶有背景色的矩形 [英]How to set the paragraph of itext pdf file as rectangle with background color in Java
如何從PDF文件中刪除所有圖像/圖形,而只保留Java中的文本? [英]How can I remove all images/drawings from a PDF file and leave text only in Java?
如何從我的代碼java中的文件中計算每個段落中的單詞數? [英]how can I count number of words from each paragraph from the file in my code java?