[GridSim-users] warning message in compilation

[gomathi b. <gom...@gm...>]

hai,
   when i try to compile examples in gridsim package, i got the following
warning messages. what mistake have i done? please reply me.

C:\gridsim4.1\examples\Example02>javac -classpath
c:\gridsim4.1\jars\gridsim.jar
;. Example2.java
Note: Example2.java uses unchecked or unsafe operations.
Note: Recompile with -Xlint:unchecked for details.

C:\gridsim4.1\examples\Example02>javac -Xlint -classpath
c:\gridsim4.1\jars\grid
sim.jar;. Example2.java
Example2.java:78: warning: [unchecked] unchecked call to add(E) as a member
of t
he raw type gridsim.GridletList
        list.add(gridlet1);
                ^
Example2.java:79: warning: [unchecked] unchecked call to add(E) as a member
of t
he raw type gridsim.GridletList
        list.add(gridlet2);
                ^
Example2.java:80: warning: [unchecked] unchecked call to add(E) as a member
of t
he raw type gridsim.GridletList
        list.add(gridlet3);
                ^
Example2.java:114: warning: [unchecked] unchecked call to add(E) as a member
of
the raw type gridsim.GridletList
            list.add(gridlet);
                    ^
4 warnings