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Why do we need wrapper classes? It is sometimes simpler to deal with primitives as objects. Moreover most of the collection classes keep objects and not primitive data types. A
Java program need to compile Project Description: i have one program required to compile to run it . Skills required: Java
Talent agencies like ICM, CAA and Paradigm represent writers, directors and actors (among other talent). These agencies take in hundreds of millions of dollars a year collecting 1
What is the difference between instance and object of a class? Few says both are same, then why java kept both the words for same thing?
Create objects of student class by calling default Create objects of student class by calling default, parameterize and copy constructor Call student class different methods on
What is an abstract class? Abstract class must be extended/subclassed (to be useful). It serves as a template. A class that is abstract may not be instantiated (ie. you may not
Explain primitive data types in java? Java's primitive data types are extremely similar to those of C. They involve boolean, byte, short, long, int, float, double, and char. Th
Need the following code in double var instead of integer. import javax.swing.*; public class arrayVar { public static void main (String[] args) //This is our main method prompt
Your FaceBooklet application will use the classes you wrote for Program 3. Start by creating a copy of your Program 3 project with a new name (say, "Program4"). Note that you ca
The == gives true, if the variable reference points to the similar types of object in memory. That is a " shallow comparison ". The equals () - gives the results of run
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