Java certification exams like SCJP test your knowledge about java classpath. Check here for an excellent resource on the topic . System classpath We can specify classpath in the command line or make use of a `system’ class path. The IDEs have their own way of maintaining class paths. System class paths will be used …
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Jul 15
SCJP: Java Operators #Java Short Notes #SCJP
Exams like SCJP test your understanding of Java operators and how to use them like: assignment operators: =, +=, -=arithmetic operators: +, -, *, /, %, ++, —relational operators: < , , >=, ==, !=logical operators: &, |, ^, !, &&, ||conditional operators: ? : Also operators to check the equality of two objects or …
Jul 15
SCJP: Language Fundamentals #Java Short Notes #SCJP
Class declaration and java source file. Only “one” top-level public class is allowed per java source file. The name of the java source file and the name of the top-level public class MUST be the same. If no public class is there in a file, after compiling separate class files will be created for all …
Jul 15
SCJP: Garbage Collection #Java Short Notes #SCJP
Garbage Collection Java itself does memory management. You do not need to allocate memory at the time of object creation; also you do not need to free memory explicitly Object is created either on the heap or on a stack Memory heap: Objects created with new keyword are placed in heaps. This memory remains allocated …
Jul 15
JAVA: Some links: useful for exams like scjp/scja #Java Short Notes #SCJP #Blog
Assertions in Java: http://java.sun.com/j2se/1.4.2/docs/guide/lang/assert.html Enum in Java:http://www.java2s.com/Code/Java/Language-Basics/Enum.htmStringBuffer and StringBuilder Classes have similar methods where StringBuffer is synchronized: http://java.sun.com/j2se/1.5.0/docs/api/java/lang/StringBuilder.htmlSerialize and Deserialize: http://java.sun.com/j2se/1.4.2/docs/api/java/io/Serializable.htmljava.util package is very important: http://java.sun.com/j2se/1.4.2/docs/api/java/util/package-summary.html From: http://sitestree.com/?p=4845 Categories:Java Short Notes, SCJP, BlogTags: Post Data:2013-06-11 18:38:25 Shop Online: https://www.ShopForSoul.com/ (Big Data, Cloud, Security, Machine Learning): Courses: http://Training.SitesTree.com In Bengali: http://Bangla.SaLearningSchool.com http://SitesTree.com 8112223 Canada Inc./JustEtc: http://JustEtc.net …
Jul 15
Java Spring: Components for Web #Java #Spring #Spring Framework and Hibernate #Spring #Spring Framework and Hibernate
Java Spring: Components for Web Web: Full-stack web development with Tomcat and Spring MVC Reactive Web: Reactive web development with Netty and Spring WebFlux: requires Spring Boot >=2.0.0.M1 Websocket: Websocket development with SockJS and STOMP Web Services: Contract-first SOAP service development with Spring Web Services Jersey (JAX-RS): RESTful Web Services framework with support of JAX-RS …
Jul 15
Java Spring: Use Cases #Java #Java Frameworks #Spring #Spring Framework and Hibernate
Reference: https://docs.spring.io/spring-framework/docs/current/spring-framework-reference/html/overview.html Typical full-fledged Spring web application Spring middle-tier using a third-party web framework Remoting usage scenario EJBs – Wrapping existing POJOs From: http://sitestree.com/?p=10900 Categories:Java, Java Frameworks, Spring, Spring Framework and HibernateTags: Post Data:2017-07-28 20:42:31 Shop Online: https://www.ShopForSoul.com/ (Big Data, Cloud, Security, Machine Learning): Courses: http://Training.SitesTree.com In …
Jul 11
economics Canadian Labor Market Bounces Back Strongly After Lockdowns
Billion-dollar mistake: How inferior IT killed Target Canada https://www.zdnet.com/article/billion-dollar-failures-how-bad-decisions-and-poor-it-killed-target-canada/ Canadian Labor Market Bounces Back Strongly After Lockdowns https://www.bloomberg.com/news/articles/2021-07-09/canadian-labor-market-bounces-back-strongly-after-lockdown
Jul 10
Still fails: cyber security
Despite Global Cybersecurity Spending Predicted To Exceed $1 Trillion From 2017-2021, Still failures are too common, apparently. https://cybersecurityventures.com/cybersecurity-market-report/ From Google search, not my opinions or beliefs Despite: "No one knows how many scientific journals there are, but several estimates point to around 30,000, with close to two million articles published each year." where many must …
Jul 09
Wave of resignations prompts concerns over labour shortage’
‘I quit’: Wave of resignations prompts concerns over labour shortage’ https://www.cbc.ca/news/canada/calgary/labour-shortage-concerns-1.6093867 A Lot of ETF Trades Got in Front of the Big Drop in Stocks https://www.bloomberg.com/news/articles/2021-07-08/a-lot-of-etf-trades-got-in-front-of-a-big-drop-in-stock-market
