Questions tagged as 'io'

I am working on a project where I use itext and fileoutputstream to generate a pdf , but when I import the library java.io I get an error:    can not find symbol class FileOutputStream How can I correct this error? A...

I want to go through all the files in a folder using java. How can I do it?     

I'm trying to read the input values of port com , in specific COM3 , but it does not work. I tried the examples provided by the MS page, about the ports, but these simply do not receive data .. I have tried several codes, and d...

Maybe this does not come much to the case, but if you can help me, it would be very helpful since I do not know where to look ... It turns out that my teacher passed us an ADIOS.iso program that is on my pendrive now, this program is a virtual m...

Hello, I am very new to the Java world and I have a small problem, I currently want to save a text from a .txt file in a variable String, but with the little knowledge I have of Java I did something very rudimentary that also does not work well...

When I run my Servlet in Eclipse , this error occurs:    "The type java.io.ObjectInputStream can not be resolved. It is indirectly referenced from required .class files" For the web application to be executed, I downloaded Apac...