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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.
Illustrate the method to print on the GUI Example Code: Taking Input / Output So far, we learned how to print something on console. Now time has come to learn how to print
Mine craft plug-in Coder Project Description: Some custom plugging for my Mine craft server. Skills required: Java, Editing
how to implement tsp problem using java applet to present in form of visulation
Explain the Relational Operator Precedence ? Whenever a new operator is introduced you have to ask yourself whereas it fits in the precedence tree. If you seem back at the ins
Describe toString() Methods ? Print methods are general in some languages, but most Java programs operate differently. You can use System.out.println() to print any object. The
hi i need help with java
Player Ship Appearance: • Your ship must be either a nice-looking sphere (left image above), or a nice-looking sphere with a "mouth" (middle image above), depending on variant.
Why hub is used in networks? Hub is networking equipment and a device that connects various computers to form a network. In a network the NIC translates the message within elec
Ask1. Storing the Array: Write an application that uses an Array to store 10messages of type String. You will store this Array with 10 messages of your choosing. For example, a mes
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