This Example shows you how to Use if in velocity.

Use if else and end statements in velocity

     

This Example shows you how to Use if in velocity. The method used in this example are described below:-

1:- Initialize velocity run time engine through method  init().
2:- Create object of VelocityContext Class.
3:- Create Template class object, Template  class object is used for controlling template methods and properties.

template.merge(context, writer): Merge method of the Template class is used here for merging  the object of VelocityContext class to produce the output.   Template  class object is used for controlling template methods and properties.

#set($name = "komal"): This is a statement named set it generally begins with # character. Here we have assign the name 'komal' with character $ .

#if($name =="komal"):  This is a statement for checking the variable name with String komal.
if condition is true it will print message "Hi komal....." otherwise it will print message "Hi.......".

Condition.java

package velocity.conditionals; import java.io.*; import java.util.*; import org.apache.velocity.*; import org.apache.velocity.app.*; public class Condition {   public static void main(String[] args) throws Exception {   Velocity.init();   Template template =  Velocity.getTemplate("./src/velocity/conditionals/ifelse.vm");   VelocityContext context = new VelocityContext();        Writer writer = new StringWriter();   template.merge(context, writer);   System.out.println(writer);   } }

ifelse.vm

#set($name ="komal") #if($name =="komal") Hi Komal... #else Hi .... #end

Output:

Hi Komal...

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