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Modify your UserProfile class to meet the following requirements:
Note that wall postings should be stored in reverse-chronological order, meaning that newly created posts should be stored at the beginning of the list, not at the end. Also, this method should ensure that the total number of posts does not exceed 20. Once the wall gets that full, delete the oldest post to make room for a new one. Study the API documentation for ArrayList to find suitable methods to accomplish this arrangement. You may assume that the clock is consistent, that is, postings created more recently will also have a more recent time stamp.
Create a class to implement the ArrayList collection. The name should be YourFirstNameArrayList; for example if I were creating the class then I would call it WaynesArrayList. Do
Enumerate the concept of write once run anywhere - JAVA Java has introduced concept of WORA (write once run anywhere). When you write a java program it is called source code of
What are three ways in which a thread can enter the waiting state ?
A MapMessage carries name-value pair as its payload. Therefore its payload is same to the java.util.Properties object of Java. The values can be Java primitives or their wrappers
Write a program to find the area under the curve 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 b
codes and output on how to make multiple choices quiz
How do I prevent the output of my JSP or Servlet pages from being cached by the browser? Ans) You will require to set the appropriate HTTP header attributes to stop the dynamic
Prototype is having multiple instances or having clone.
Compare classes with C++ Some significant points to consider when defining a class in java as you probably noticed from above given skeleton are - There are no global
Explain init(), start(), stop(), and destroy() method? The init() method is known as exactly once in an applet's life, while the applet is first loaded. It's generally used to
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