> Sir: > I compiled a helloworld program using gcj like this: > gcj -o hello hello.class --main=hello > The compiling succeeded and no warning and error generated.But it went wrong > when I run the executable, the error it presented is: > $ ./hello > ./hello: error while loading shared libraries: libgcj.so.6: cannot open > shared object file: No such file or directory First search your system for libgcj.so.6 file, if there is no, than i think you do not have libgcj libraries installed. There is different ways to install this library on OS, it depends on distribution. For example on debian it might be "apt-get install libgcj", fedora core "yum install libgcj" and so on... Try searching your operating system vendors site for libgcj package... Arturas M.