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Question:
(a) (i) Describe the purpose of comments when writing programs in Java.
(ii) Name the types of comments available and illustrate with simple examples.
(b) (i) What is the purpose of the ‘import' statement in Java programs?
(ii) With the help of an example show the syntax for importing one class from a package and all the classes from that package.
(c) (i) Describe the steps we need to write a Java application and to run the program. Also describe the tools required for each step.
(ii) Explain the difference between object declaration and object creation. Explain your answer with a suitable example.
(d) Write a Java application that accepts a person's weight and displays the number of calories the person needs in one day. A person needs 38 calories per Kg of body weight, so the formula would be
calories = bodyweight * 38;
Here you may use an input dialog from the class JOptionPane to request the user to enter the body weight and a message dialog to output the calories needed.
Number = new Array(5); var abc=4; for(var i=1; i { Number[i]= abc*i; } Number.reverse(); for(j=0;j { document.write(" "+Number[j]+" "); } A) What should be output of above co
The process of applying aspects to a target object to form a new proxy object is known as Weaving. The aspects are woven into the target object at the verified join points.
Describe Inner Classes in java? An inner class is a class whose body is described inside another class, referred to as the top-level class. For instance: public class Queue {
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
Why are JSP pages the preferred API for creating a web-based client program? Because no plug-ins or security policy files are required on the client systems (applet does). Also,
What will be the default values of all the elements of an array explained as an instance variable? If the array is an array of primitive types, then all the elements of the arr
I want to upload an item object with it''s image is it possible that i pass a complete object of my Item along with it''s image from my Controller if yes then how may i Do it? an
Develop a GeoNetwork Template Project Description: Want a personalized GeoNetwork Template with the consideration of the logo included to this proposal and its colors. The ba
State the Verify phase of Java Program Development Before the bytecodes in an application are executed by the java interpreter, they are verified by the bytecode verifier in
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