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Introduction to VBA

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VBA stands for Visual Basic Application. . It is an event driven Programming language by Microsoft   now a days   it is predominantly used with Microsoft applications such as MS –Excel , MS-Word, MS-Access. VBA Application MS-Excel Provides loads on inbuilt functions.MS-Excel Provides only basic inbuilt functions which may not be sufficient to perform complex calculations but by using VBA we can create our own functions and perform our desirable tasks How to Access VBA Editor  In excel windows Press “ALT +F11”  to open VBA editor .. Step 1:   At first open Excel sheet Step 2:  Follow Above Tricks and open VBA Editor will be open  which looks like this . Some Important VBA Terminologies  Modules : Modules is the area where code is written. In above figure there is no any modules. How to insert Module ??? To insert modules in VBA right click on Microsoft Office Objects and then  a win...
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Java Regular Expression

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Java Regex or Regular Expression is an API to define Pattern for searching or manipulating Strings, In simple word we can say that Regular expression is a representation of a group of String object according to a particular Pattern. Java provides the java.util.regex package for pattern matching with regular expressions. java.util.regex package consists of following three classes : Pattern Class In Pattern class Pattern object is a compiled version of a regular expression. It contains a compile() method which is used to create a Pattern. Pattern class provides no Public constructors.              Public static Pattern compile(String) Matcher Class Matcher object match the given pattern in the  target String Matcher object is created by matcher() method of Pattern Class     Public Matcher matcher (String target) Important Methods of Matcher class S. No. Method Description 1 bo...
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Plain Old Java Obect (POJO)

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Plain Old Java Object is a Java Object not bound by any restriction other than those forced by the Java language specification. POJO is also known as Entity class .In simple way if we described about definition of POJO class then POJO is a class which contains getter and setter method . How to generate getter setter methods in NetBeans ? To generate getter setter methods is very simple NetBeans for this purpose we use Alt + Ins key after that window will be open and then select entity of which we want to getter setter method .. Following steps shows a track to achieve our target . Step 1: Initialization of Entity Initial entity of which we want to create Setter and Getter method  Step 2: Press key Alt + Ins and a window open and select Setter and Getter Step 3: New window will be open Step 4: Select Entity of which you want to generate Setter and Getter method Step 5: And finally we achieve our target and generate Setter and Get...
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