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Kamal Hossain
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Kamal Hossain

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Spring Transaction Transaction
comprises of a unit of work against a database. Transaction provides “all or
noting” preposition unit of work performed entirely committed or rollback. Unit of work : consider to transfer account
balance from account A to acco...
Spring Transaction Transaction comprises of a unit of work against a database. Transaction provides “all or noting” preposition unit of work performed entirely committed or rollback. Unit of work: consider to transfer ac...
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Kamal Hossain

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JAVA Collection Framework
Where will you use ArrayList and where will you use LinkedList? ------------------------------------------------------------------- ArrayList is faster for iteration and LinkedList is faster for insertion and deletion. So if the list will more frequently be...
Where will you use ArrayList and where will you use LinkedList? ------------------------------------------------------------------- ArrayList is faster for iteration and LinkedList is faster for insertion and deletion. So if ...
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Kamal Hossain

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How about Form Substitution? By the for @SessionAttribute("a") method with @ModelAttribute("a") invoked once unless session timeout or sessionStatus.setComplete().
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Kamal Hossain

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Kamal Hossain

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J2EE PATTERNS
Presentation Tier: --------------------- 1. Interceptor Pattern : Pluggable filter intercept incoming request and outgoing response 2. Front Controller : Handles requests and manages content retrieval, security, view management,and navigation, delegating to...
Presentation Tier: --------------------- 1. Interceptor Pattern : Pluggable filter intercept incoming request and outgoing response 2. Front Controller : Handles requests and manages content retrieval, security, view manageme...
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