Performance issue related to Wrapper and variable value retrievel

If I have a array of int(primitive array) and on the other hand if I have an array of it's corresponding Wrapper class , while dealing is there is any performance difference betwen these 2 cases . If in my code I am doing to conversion from primitive to wrapper object , is that affecting my performnace as there is already a concept of auto-boxing.
Another issue is that if I acces the value of a variable name (defined in in superclass) in subclass by ' this.getName() ' rather than ' this.name ' . is there ne performance diffreance between the 2 cases.

If I have a array of int(primitive array) and on the
other hand if I have an array of it's corresponding
Wrapper class , while dealing is there is any
performance difference betwen these 2 cases . If in
my code I am doing to conversion from primitive to
wrapper object , is that affecting my performnace as
there is already a concept of auto-boxing.I'm sure there is. It's probably not worth worrying about until you profile your application and determine it's actually an issue.
Another issue is that if I acces the value of a
variable name (defined in in superclass) in subclass
by ' this.getName() ' rather than ' this.name ' .
is there ne performance diffreance between the 2
cases.Probably, but that also depends on what precisely getName() is doing doesn't it? This is a rather silly thing to be worrying about.

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    http://help.sap.com/saphelp_nw04/helpdata/en/74/e8caaea70d7a41b03dc82637ae0fa5/frameset.htm
    https://www.sdn.sap.com/irj/sdn/go/portal/prtroot/docs/library/uuid/cccad390-0201-0010-5093-fd9ec8157802
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    /people/prakash.darji/blog/2006/01/26/query-optimization
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