The use of scriptlets (those <% %> things) in JSP is indeed highly discouraged since the birth of taglibs (like JSTL) and EL (Expression Language, those ${} things) over a…
JAVA
PROBLEM : Is there any better way to rewrite this: Can’t use removeClass(); as it would remove ALL classes, which we don’t want.1 SOLUTION 1: From removeClass(), the class parameter:…
URL: JavaScript provides many methods to retrieve and change the current URL which is displayed in browser’s address bar. All these methods uses the Location object, which is a property…
Java Map Interface A map contains values on the basis of key i.e. key and value pair. Each key and value pair is known as an entry. Map contains only…
Private method is a which can be invoked by code in the same class. It is not inherited by subclasses. A field is a class, interface, or enum with an…
Java provides a set of operators to manipulate variables. We can divide all the Java operators into the following groups: Arithmetic Operators Relational Operators Bitwise Operators Logical Operators Assignment Operators…
The Java.io.InputStream class is the superclass of all classes representing an input stream of bytes. Applications that need to define a subclass of InputStream must always provide a method that…
A char[] is an arrayof primitive numbers of type char. All it provides is a length attribute, and a way to get and set a charat a given index. A Stringis an object, of type java.lang.String,…
In programming world, we often need to generate random numbers, sometimes random integers in a range e.g. 1 to 100 etc. Random number generation in Java is easy as Java…
SERIALIZATION: To serializean object means to convert its state to a byte stream so that the byte stream can be returned back into a copy of the object. A Javaobject is serializable if…