Get rid of gcj

I always prefer Sun's Java over gcj, but with Linux you always default get the gcj. I found the following tip very useful here

Tuning Garbage Collection - Sun's JVM

If you are a Java developer, you have to face the memory leak problem sooner or later. The first step is under the Java’s Garbage Collection. Each version of JVM behave differently, here is a list of Sun documents about how to tune Garbage Collection:

1.4.2

5

6

java classpath separator

In Unix/Linux/Solaris

CLASSPATH are separated by colons(:)

In Windows

CLASSPATH are separated by semicolons(;)