Use a constant for Integer and Long zero and remove useless cast.
Use a constant for Integer and Long zero and remove useless cast.

Followup to r1835661. It is probably better to store a zero as Integer
and Long instead of calling Long#valueOf(0L) each time we need a zero.

Bugzilla Id: 62426



git-svn-id: 5ccfe34f605a6c2f9041ff2965ab60012c62539a@1835663 13f79535-47bb-0310-9956-ffa450edef68

ubikloadpack/jmeter,vherilier/jmeter,etnetera/jmeter,vherilier/jmeter,ubikloadpack/jmeter,etnetera/jmeter,etnetera/jmeter,vherilier/jmeter,ubikloadpack/jmeter,etnetera/jmeter,etnetera/jmeter,ubikloadpack/jmeter,vherilier/jmeter