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Explain the user defined Exceptions.
User Defined Exceptions are the exceptions which are defined by user for specific purposed. This enables custom exceptions to be generated and caught in the similar manner as normal exceptions. When defining a User Defined Exception, we need to take care of the below aspects:
It must be extend from Exception class.
Use toString() method to display information about exception.
The Struts tag libraries are: ? HTML Tags ? Logic Tags ? Template Tags ? Bean Tags ? Tiles Tags ? Nested Tags
We can get the values in the action classes by using data.getParameter("variable name described in the velocity page");
Draw an inheritance hierarchy to represent a shoe object. The base class should have derived classes of Dress Shoes, Tennis Shoes and Boots.
Can you help? this assignment I will need to build a very straightforward and fully functional machine learning classifier with the K-Nearest Neighbor (KNN) algorithm. The KNN mode
Explain about Drawing Lines? Drawing straight lines along with Java is easy. Just call g.drawLine(x1, y1, x2, y2) where (x1, y1) and (x2, y2) are the endpoints of your lines
Creating applications based on SOA Select your implementation technologies carefully. Carefully check if Web services are suitable. Sometimes using traditional methods suc
1. De normalizes your tables where required. 2. Proper use of index columns: An index based on numeric parts is more efficient than an index based on character columns. 3. Re
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write a program to find the area under the curvey y=f(x) between x=a and x=b.integrate y=f(x) between the limits of a and b. the area under a curve between two points can be found
Write a JavaScript program which having two functions that are sum and mean. The web page will ask the user to enter five values to be added. After taking input it will compute
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