Answer:
JavaBeans are a special Java class file.
Explanation:
JavaBeans are special reusable java classes with the following properties:
- They are Serializable.
- They contains private fields with public getter and setter functions.
- Their constructor is public.
For example:
//Sample JavaBean class
public class MyBean {
//Private field
private String myProperty;
//Constructor
public MyBean(){}
// Setter method
public void setMyProperty(String myProperty)
{
this.myProperty = myProperty;
}
//Getter method
public String getMyProperty()
{
return myProperty;
}
}
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Answer:
The code is given in images, Button1 and Button2 are for calculating and exit. The sales tax percentage is given. And the form design is also shown in one of the images. Since its textbox, we need to convert the string to double and then back to string to do the calculation, and then post on the textbox again. The this.Close() function closes the form. And textBox1, Show() and for each textbox displays the values in textboxes.
Explanation:
Please check the answer section and images. The button1 and button2 can be changed to Btn_Calc and Btn_Exit if required. For that, we need to rename the buttons with these names, and then click on it to enter the code behind to add the codes. In that case, the button code will be generated with this new name as the method name.
Answer: (B) An object and a pointer
Explanation:
In the computer science, the linked list is the collection of linear data where each data is basically denoted as node in the linked list. It is basically made up of the data object and a pointer that particular pints to the next node in the linked list data.
The linked list is basically collection of the node that each node are connected with the next node by using the pointer and also represent the sequence in the given linked list.
Tab on Tools contextual insert. editing option is NOT a command