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June 27, 2021 Ravi Yasas
ArrayList vs LinkedList vs Vector ArrayListLinkedListVectorData structureIndex-based dynamic arrayDoubly linked listGrowable arrayIncrement size50%No initial size100%Traverse Uses iteratorUses iteratorUses enumerationMemory usageLess memory usageMore memory usageAccessibilityRandom...
array / arraylist / beginner / collection framework / collections / devloper / typesafety / vector
June 27, 2021 Ravi Yasas
ArrayArrayListFixed-sizeSize is not fixedNot type-safeType-safeAllow both primitives and objectsDoesn't allow primitives. But after Java 5 auto-boxing will convert primitives to objectsType safety means the compiler will validate the types while compiling and throw an error if you do anything...
array / arraylist / beginner / collection framework / collections / devloper / typesafety
@OneToOne The best approach to bidirectional @OneToOne is to use @MapsId Student entity @Entity @Data @Table(name = "students") pu...
