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February 7, 2018 13:58
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Must know Java norms
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Reflection | |
Serialization/ deserialisation | |
Clonable | |
Multi threaded | |
Class loading | |
Garbage collection | |
String pool/ Intern - caching string literal in string pool and point to same reference | |
double check locking in singleton | |
immutable - state of the object never changes [String never gets modified] | |
OCP(class open to changes and close to modifications) | |
volatile keyword | |
Iterator fails fast - ConcurrentModificationException | |
WeakReference - When object goes out of scope(WeakHashMap) |
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