To use shujit, set JAVA_COMPILER to 'shujit':

 - if you are using csh or tcsh, add the following line to ~/.cshrc:

setenv JAVA_COMPILER shujit

 - if you are using sh, bash, zsh or some other Bourne or Korn shell
   derivative, add the following line to ~/.profile:

JAVA_COMPILER=shujit; export JAVA_COMPILER