Public Void ActionPerformed(ActionEvent E)

question 44

Essay

public void actionPerformed(ActionEvent e)
{
String name = answer.getText();
con.remove(greeting);
con.remove(pressMe);
con.remove(answer);
personalGreeting.setText("Hello, " + name + "! ");
con.add(personalGreeting);
con.setBackground(Color.PINK);
validate();
}
In the actionPerformed() method above, the final statement following the addition of the JLabel is validate(). Explain the validate() method and how it is used with JComponents.

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Definitions:

#ifdef !condition

A preprocessor directive used in C/C++ programming to include or exclude code blocks based on whether a condition is not met.

Enumerated List

A data structure that consists of a set of named integer constants, often used to assign names to integral values for clarity.

Integer Values

Numeric values without fractional components, usually represented in programming languages as 'int'.

Constants

Values in programming that cannot be changed during the execution of a program, representing fixed values.