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Keithlars Duplicate values being added to SET
I'm merging the values from two multiselect picklist into a SET which I thought was suppose to prevent duplicate values from being added. See code below. However, after I run through the SET and update my variable the same value appears twice. Am I missing something?
// Set up list to hold unique area of interests
Set<String> interests = new Set<String>();
...
for (Lead aoiLanding : trigger.new) {
interests.add(a.area_of_interest_landing__c);
interests.add(a.area_of_interest__c);
}
// Populate variable to be used in update
Integer i = 0;
for (String s : interests) {
if (i == 0)
aoiValue = s;
else
aoiValue = aoiValue + ';' + s;
i++;
}
a.area_of_interest__c = aoiValue;
// Set up list to hold unique area of interests
Set<String> interests = new Set<String>();
...
for (Lead aoiLanding : trigger.new) {
interests.add(a.area_of_interest_landing__c);
interests.add(a.area_of_interest__c);
}
// Populate variable to be used in update
Integer i = 0;
for (String s : interests) {
if (i == 0)
aoiValue = s;
else
aoiValue = aoiValue + ';' + s;
i++;
}
a.area_of_interest__c = aoiValue;
if a.area_of_interest_landing__c == 'a;b'
and a.area_of_interest__c == 'b;c'
you're going to end up with b twice, because you didn't split the values up to put them in a set.
Keith