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The focus areas include: • Modular & non-modular JARs and Java runtime images • Exception handling and custom exceptions • Inheritance, abstraction, sealed classes, and polymorphism • Serialization & ...
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Typical Collections: ArrayList, HashSet, HashMap (all from java.util). 𝗛𝗼𝘄 𝗶𝘁 𝘄𝗼𝗿𝗸𝘀 𝗶𝗻𝘁𝗲𝗿𝗻𝗮𝗹𝗹𝘆 ? Collections like ArrayList maintain a modCount (modification count). Iterator saves ...
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