Oracle
1Z0-805 · Question #28
1Z0-805 Question #28: Real Exam Question with Answer & Explanation
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Question
Given: ConcurrentMap<String, String> partList = new ConcurrentHashMap<> (); Which fragment puts a key/value pair in partList without the possibility of overwriting an existing Oracle 1Z0-805 Exam key?
Options
- ApartList.put (key,"Blue Shirt");
- BpartList.putAbsent(key,"Blu Shirt")
- CpartList.putIfNotLocked (key,"Blue Shirt");
- DpartList.putAtomic (key,"Blue Shirt");
- Eif (!partlist.containsKey(key)) partList.put(key,"Blue Shirt");
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