28 lines
863 B
Text
28 lines
863 B
Text
Set<String> setA = new Set<String>{'John', 'Bob', 'Mary', 'Serena'};
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Set<String> setB = new Set<String>{'Jim', 'Mary', 'John', 'Bob'};
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// Option 1
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Set<String> notInSetA = setB.clone();
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notInSetA.removeAll(setA);
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Set<String> notInSetB = setA.clone();
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notInSetB.removeAll(setB);
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Set<String> symmetricDifference = new Set<String>();
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symmetricDifference.addAll(notInSetA);
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symmetricDifference.addAll(notInSetB);
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// Option 2
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Set<String> union = setA.clone();
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union.addAll(setB);
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Set<String> intersection = setA.clone();
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intersection.retainAll(setB);
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Set<String> symmetricDifference2 = union.clone();
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symmetricDifference2.removeAll(intersection);
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System.debug('Not in set A: ' + notInSetA);
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System.debug('Not in set B: ' + notInSetB);
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System.debug('Symmetric Difference: ' + symmetricDifference);
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System.debug('Symmetric Difference 2: ' + symmetricDifference2);
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