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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.
1. Which of the following are not valid Java identifiers, and why? (a) wolVes (b) United(there is only one) (c) 87 (d) 5 3 (e) Real ale (f) isFound?by 2. A class Television
Don''t know how to write this, can anyone help me? http://wikisend.com/download/660980/Moving Blobs.zip
Explain the term - Garbage Collection Java performs garbage collection and eliminates the need to free objects explicitly. When an object has no references to
a program to find the area under curve y=f(x) between x=a and x=b,integrate y=f(x) between the limits of a and b
Explain the Execute phase of Java Program Development Finally in phase computer, under the control of its CPU, interprets program one bytecode at a time. Hence performing
writing a program to find common friends with the use of array
Give an example for Passing Arguments to Methods ? class Car { String licensePlate = ""; // e.g. "New York 543 A23" double speed = 0.0; // in kilometers per h
java coding
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
the multiple of two number in java
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