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J2EE stands for Java 2 Enterprise Edition. It is used to create enterprise class web applications that can be used by large enterprises and corporations. Most websites of major companies are created using j2ee. Some of the technologies used in J2ee are:
a. Struts
b. Hibernate
c. JSP
d. Servlets
e. Spring
f. etc
Whereas Advanced Java refers to the advanced topics of java that can be used in regular java programs. Some topics under Advanced Java are:
a. Exception Handling
b. Threading/Multi-Threading
c. Remote Method Invocation
d. Serialization
e. etc
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What is its function?
J2EE stands for Java 2 Enterprise Edition. It is used to create enterprise class web applications that can be used by large enterprises and corporations. Most websites of major companies are created using j2ee. Some of the technologies used in J2ee are: a. Struts b. Hibernate c. JSP d. Servlets e. Spring f. etc
What is the difference between function and method?
functions have independent existence means they are defined outside of the class e.g. in c main() is a function while methods do not have independent existence they are always defined inside class e.g. main() in Java is called method. ######## I've been studying OOP lately and had this question myself, so I will share my thoughts; I was taught that "A Function should do 1(one) thing and do it well." In specific Regards to PHP; The difference between a Method and a Function is that a Method is tied to a specific class. Hope this helps. -------------------------------------------------------------------------------------------------------- function can return value where as method can't that is the main difference between function and method --------------------------------------------------------------------------------------------------- Actually you are describing the difference between a function and a procedure. Function returns a value, procedure does not unless you are using c#, then everything is a function. In c# a function, to paraphrase the first answer, does and thing and does it well. A method contains functions. The most important method is the Main method. All functionality of a program must be referenced in the Main method because when you run a program, it starts at the beginning of the Main method, and stops wehn it hits end of the Main method.
What is the Java integer class used for?
The Java Integer class is there to help with math. It is very useful and very recommended. To learn more information about it, go to the official Java page.
What is java statement to find the maximum between two values?
You can use one of the Math.max() methods, or the ternary operator, that is, one of the following: Math.max(a, b) a > b ? a : b
What is the difference between class variables and instance variables?
In the case of an instance variable, there is one copy for every instance (object). If you create 10 objects based on a class, there will be 10 copies of the variable. A class variable exists only once for the entire class - no matter how many objects you create - or even if you create no objects based on the class. In Java, such variables (class variables) are declared with the statickeyword.
