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Question:
(a) Explain the importance of abstract classes in Java with an appropriate example.
(b) Explain what is meant by an interface in Java? Use a simple example to illustrate your answer.
(c) A GUI may contain text-fields, buttons, and other labels. A button usually triggers an event on the GUI. Explain the different processes in registering an event and handling the action performed by the button in Java.
(d) Write the code for a GUI which will allow a user to enter two numbers and then compute the product by clicking on a button. The result can be displayed in a text-field or as a label on the GUI.
Explain System Colors in java 1.1? In Java 1.1, the java.awt.SystemColor class is a subclass of java.awt.Color that gives color constants in which match native component colors
Separating your business logic with other functionality such as services, Loggers etc, making classess more cohesive.
Introduction As an alternative to the Binary Search algorithm, also it could be done by the brute-force method given below. public static int rank(int key, int[] a) { f
A value, the data assigned to a variable, may contain any sort of data. Though, JavaScript considers data to fall into many possible types. Based on the type of data, certain opera
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What is ARPANET and who developed it? ARPANET stands for Advanced Research Projects. The initial reasons were to communicate along with and share computer resources between mainl
#question.Hi, i hope my message find you very well. could you help me please with this question . provide an example code for an anonymous inner class. Highlight what makes your e
1.) Write an application with two user transactions (login which includes viewAllStudents and viewStudent ) with full MVC architecture that displays the details of the selected
Converting Strings to Numeric Primitive Data Types To convert a string which is containing digits to a primitive data type, wrapper classes can help. parseXxx method can be u
How to Implementing Interfaces in java? To actually utilize this interface you create a class that involves a public double calculateTariff() method and declare in which the cl
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