1 CheckFinal.java:14:13: compiler.err.cant.assign.val.to.final.var: fi
2 CheckFinal.java:15:13: compiler.err.cant.assign.val.to.final.var: fe
3 CheckFinal.java:17:13: compiler.err.cant.assign.val.to.final.var: xsf
4 CheckFinal.java:19:29: compiler.err.cant.inherit.from.final: CheckFinal
5 4 errors