java Memory model

Yahoo! Calendar "Add Event" Seed URL Parameters

I can't seem to find any official documentation on this, so here are my notes. Some information gathered from http://richmarr.wordpress.com/tag/calendar/ Other information gathered through trial and error, and close examination of the "Add Event" form on Yahoo!'s site. Yahoo! Calendar URL Parameters Parameter Required Example Value Notes v Required 60 Must be 60 . Possibly a version number? TITLE Required Event title Line feeds will appear in the confirmation screen, but will not be saved. May not contain HTML. ST Required 20090514T180000Z Event start time in UTC. Will be converted to the user's time zone. 20090514T180000 Event start time in user's local time 20090514 Event start time for an all day event. DUR value is ignored if this form is used. DUR 0200 Duration of the event. Format is HHMM, zero-padded. MM may range up to 99, and is converted into hours appropriately. HH values over 24 hours appear to be modulated by 24. Durations t...

Java Identifiers

Language Fundamentals Java Identifiers: A name in a java Program is called an Identifier, Which can be used for representing classes, methods, variables and labels. Rules: 1. Java Identifier is composed of a sequence of characters, where each character may be a ASCII Latin letters A–Z(\u0041–\u005a), and a–z (\u0061–\u007a) and for historical reasons , the ASCII underscore (_, or \u005f) and dollar sign ($, or \u0024) and ASCII digits 0-9 (\u0030–\u0039). i.e A-Z,a-z,_,$,0-9 The $ character should be used only in mechanically generated source code or, rarely, to access pre-existing names on legacy systems. If we use other character we will get compiled time error saying illegal character. 2. No identifier starts with the digit. 3. There is no length limit for java identifier, but SUN highly recommended up to 15 characters. 4. Identifiers in java are case sensitive. 5. We are not allowed to use reserved words (java keywords) as identifier. 6 . All predefin...

Spring boot basics

Spring Boot is a powerful framework that simplifies the development of enterprise-grade applications by providing a pre-configured setup that allows developers to focus more on writing business logic rather than managing configuration. In this post, we’ll dive into the architecture flow of a typical Spring Boot application, helping you understand how the components interact and how requests are processed from start to finish. 1. The Core Components of Spring Boot Architecture Before we delve into the flow, it’s essential to understand the core components that make up a Spring Boot application: Spring Framework : The backbone of Spring Boot, providing dependency injection, AOP, and transaction management. Embedded Server : Spring Boot applications usually run with an embedded server (Tomcat, Jetty, or Undertow), making them self-contained and easy to deploy. Auto-Configuration : This feature automatically configures Spring components based on the dependencies present in the projec...

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