{"id":70253,"date":"2021-08-30T04:10:06","date_gmt":"2021-08-30T08:10:06","guid":{"rendered":"http:\/\/bangla.salearningschool.com\/recent-posts\/financial-transaction-java-data-type-1\/"},"modified":"2021-08-30T04:10:06","modified_gmt":"2021-08-30T08:10:06","slug":"financial-transaction-java-data-type-1","status":"publish","type":"post","link":"http:\/\/bangla.sitestree.com\/?p=70253","title":{"rendered":"Financial Transaction: Java Data Type #1"},"content":{"rendered":"<p>Best data type for Financial Transactions: Object with two integer type variables. One for the dollars and another for the cents. <\/p>\n<p>floating points are  inappropriate as they suffer from round-off errors.<\/p>\n<p>For financial software how to create a common class for contracts that multiple independent classes will satisfy?<\/p>\n<p>Using interface<\/p>\n<p>because <\/p>\n<p>for independent class hierarchies<\/p>\n<p>An interface is the only type that permits multiple class implementations<\/p>\n<p>an abstract class cannot be the superclass of multiple class implementations <\/p>\n<p>a concrete class cannot be the superclass of multiple class implementations <\/p>\n<p>Inheritance in the Java programming language<\/p>\n<p>A superclass may have multiple subclasses.<br \/>A class can not inherit from multiple superclasses.<br \/>An abstract class may only have one superclass.<br \/>Interfaces, unlike classes, may have any number of supertypes. <br \/>Any class may only have one superclass. <\/p>\n<p>Relationship navigation in java<\/p>\n<p>There are no restrictions on directionality for relationships of any multiplicity<br \/>Compositions as well as associations may also have navigation methods<br \/>An association makes no restrictions on the client to have access to the actual related objects<br \/>Bidirectional navigation is permitted.<br \/>For details about java persistence, relationship, navigation, please check:  http:\/\/java.sun.com\/javaee\/5\/docs\/tutorial\/doc\/bnbpz.html <\/p>\n<p>From: http:\/\/sitestree.com\/?p=4797<br \/> Categories:1<br \/>Tags:<br \/> Post Data:2011-02-27 13:16:48<\/p>\n<pre><code>    Shop Online: &lt;a href='https:\/\/www.ShopForSoul.com\/' target='new' rel=\"noopener\"&gt;https:\/\/www.ShopForSoul.com\/&lt;\/a&gt;\n    (Big Data, Cloud, Security, Machine Learning): Courses: &lt;a href='http:\/\/Training.SitesTree.com' target='new' rel=\"noopener\"&gt; http:\/\/Training.SitesTree.com&lt;\/a&gt; \n    In Bengali: &lt;a href='http:\/\/Bangla.SaLearningSchool.com' target='new' rel=\"noopener\"&gt;http:\/\/Bangla.SaLearningSchool.com&lt;\/a&gt;\n    &lt;a href='http:\/\/SitesTree.com' target='new' rel=\"noopener\"&gt;http:\/\/SitesTree.com&lt;\/a&gt;\n    8112223 Canada Inc.\/JustEtc: &lt;a href='http:\/\/JustEtc.net' target='new' rel=\"noopener\"&gt;http:\/\/JustEtc.net (Software\/Web\/Mobile\/Big-Data\/Machine Learning) &lt;\/a&gt;\n    Shop Online: &lt;a href='https:\/\/www.ShopForSoul.com'&gt; https:\/\/www.ShopForSoul.com\/&lt;\/a&gt;\n    Medium: &lt;a href='https:\/\/medium.com\/@SayedAhmedCanada' target='new' rel=\"noopener\"&gt; https:\/\/medium.com\/@SayedAhmedCanada &lt;\/a&gt;\n<\/code><\/pre>\n","protected":false},"excerpt":{"rendered":"<p>Best data type for Financial Transactions: Object with two integer type variables. One for the dollars and another for the cents. floating points are inappropriate as they suffer from round-off errors. For financial software how to create a common class for contracts that multiple independent classes will satisfy? Using interface because for independent class hierarchies &hellip; <\/p>\n<p><a class=\"more-link btn\" href=\"http:\/\/bangla.sitestree.com\/?p=70253\">Continue reading<\/a><\/p>\n","protected":false},"author":8,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[1917],"tags":[],"class_list":["post-70253","post","type-post","status-publish","format-standard","hentry","category-fromsitestree-com","item-wrap"],"jetpack_featured_media_url":"","jetpack_sharing_enabled":true,"jetpack-related-posts":[{"id":65838,"url":"http:\/\/bangla.sitestree.com\/?p=65838","url_meta":{"origin":70253,"position":0},"title":"SCJP: Class Declarations #Java Short Notes #SCJP","author":"Sayed","date":"July 16, 2021","format":false,"excerpt":"class declarations Start with modifiers such as public, private followed by class keyword The class name, with the initial letter capitalized The name of the class's parent (superclass), preceded by the keyword extends (if any). A class can only extend (subclass) one parent. list of interfaces implemented by the class,\u2026","rel":"","context":"In &quot;FromSitesTree.com&quot;","block_context":{"text":"FromSitesTree.com","link":"http:\/\/bangla.sitestree.com\/?cat=1917"},"img":{"alt_text":"","src":"","width":0,"height":0},"classes":[]},{"id":67688,"url":"http:\/\/bangla.sitestree.com\/?p=67688","url_meta":{"origin":70253,"position":1},"title":"Java: Some basic important stuffs #Computer Game Design #Java Short Notes","author":"Author-Check- Article-or-Video","date":"July 27, 2021","format":false,"excerpt":"Data types to represent telephone numbers:a string of ten digits can represent all ten-digit telephone numbers.an object can hold data (integers or strings) of the elements of a telephone numberan integer data type can represent all ten-digit numbers--a boolean can only represent two valuesan enumerated type can only represent a\u2026","rel":"","context":"In &quot;FromSitesTree.com&quot;","block_context":{"text":"FromSitesTree.com","link":"http:\/\/bangla.sitestree.com\/?cat=1917"},"img":{"alt_text":"","src":"","width":0,"height":0},"classes":[]},{"id":65852,"url":"http:\/\/bangla.sitestree.com\/?p=65852","url_meta":{"origin":70253,"position":2},"title":"SCJP: Short Notes #Java Short Notes #SCJP","author":"Sayed","date":"July 16, 2021","format":false,"excerpt":"For the package package com.sun2;public enum Seasons {SUMMER, FALL, WINTER, SPRING} Valid import statements are:import com.sun2.Seasons; \/\/ the class import static com.sun2.Seasons.*; \/\/all enum valuesimport static com.sun2.Seasons.FALL; \/\/only one enum value An interface can extend many interfacesInterfaces can have variables, overrides and overloads An enum can have methods and can\u2026","rel":"","context":"In &quot;FromSitesTree.com&quot;","block_context":{"text":"FromSitesTree.com","link":"http:\/\/bangla.sitestree.com\/?cat=1917"},"img":{"alt_text":"","src":"","width":0,"height":0},"classes":[]},{"id":65850,"url":"http:\/\/bangla.sitestree.com\/?p=65850","url_meta":{"origin":70253,"position":3},"title":"SCJP: Rules #Java Short Notes #SCJP","author":"Sayed","date":"July 16, 2021","format":false,"excerpt":"A class's superclasses don't have to implement Serializable in order to be serialized if a superclass doesn't implement Serializable then it's constructor will run during deserialization A transient variable's state is lost during serialization, but a volatile variable's state is not lost Java:Volatile variable Transient Variable NumberFormat, Calendar, DateFormat are\u2026","rel":"","context":"In &quot;FromSitesTree.com&quot;","block_context":{"text":"FromSitesTree.com","link":"http:\/\/bangla.sitestree.com\/?cat=1917"},"img":{"alt_text":"","src":"","width":0,"height":0},"classes":[]},{"id":67690,"url":"http:\/\/bangla.sitestree.com\/?p=67690","url_meta":{"origin":70253,"position":4},"title":"Basic Java But Essential Knowledge for exams like SCJA, or to the project managers new to Java technologies #Computer Game Design #Java Short Notes","author":"Author-Check- Article-or-Video","date":"July 27, 2021","format":false,"excerpt":"By definition an enumerated type is a finite set of symbolic literals In Java an enumerated type is represented as first-class object. Enumerated type literals are allowed in case statements. The literals of an enumerated type may be of any valid Java identifier An interface may NOT contain any concrete\u2026","rel":"","context":"In &quot;FromSitesTree.com&quot;","block_context":{"text":"FromSitesTree.com","link":"http:\/\/bangla.sitestree.com\/?cat=1917"},"img":{"alt_text":"","src":"","width":0,"height":0},"classes":[]},{"id":68580,"url":"http:\/\/bangla.sitestree.com\/?p=68580","url_meta":{"origin":70253,"position":5},"title":"C++ Concepts and Syntax #77","author":"Author-Check- Article-or-Video","date":"August 5, 2021","format":false,"excerpt":"Not really for the beginners. If you had experience working with C++ in the past, then taking a look at this short-note will help to recover your knowledge in C++. Multiple inheritance means that one subclass can have more than one superclass. This enables the subclass to inherit properties of\u2026","rel":"","context":"In &quot;FromSitesTree.com&quot;","block_context":{"text":"FromSitesTree.com","link":"http:\/\/bangla.sitestree.com\/?cat=1917"},"img":{"alt_text":"","src":"","width":0,"height":0},"classes":[]}],"_links":{"self":[{"href":"http:\/\/bangla.sitestree.com\/index.php?rest_route=\/wp\/v2\/posts\/70253","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/bangla.sitestree.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/bangla.sitestree.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/bangla.sitestree.com\/index.php?rest_route=\/wp\/v2\/users\/8"}],"replies":[{"embeddable":true,"href":"http:\/\/bangla.sitestree.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=70253"}],"version-history":[{"count":0,"href":"http:\/\/bangla.sitestree.com\/index.php?rest_route=\/wp\/v2\/posts\/70253\/revisions"}],"wp:attachment":[{"href":"http:\/\/bangla.sitestree.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=70253"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/bangla.sitestree.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=70253"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/bangla.sitestree.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=70253"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}