java:

Compile:
		javac -cp lib/iText-2.1.7.jar:lib/itext-asian.jar editPdf.java Main.java

Run:
		java -cp lib/iText-2.1.7.jar:lib/itext-asian.jar:./ Main

Compiling jar packages:
		jar -cvf editPdf.jar editPdf.class

node:

need java and python environment

install java model:
		npm install java