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Simple windowed application: Difference between revisions
→{{header|Kotlin}}: Updated example see https://github.com/dkandalov/rosettacode-kotlin for details
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(→{{header|Kotlin}}: Updated example see https://github.com/dkandalov/rosettacode-kotlin for details) |
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import java.awt.event.ActionEvent
import java.awt.event.ActionListener
import javax.swing.
class Clicks : JFrame(), ActionListener {
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label = JLabel(text)
clicker = JButton("click me")
layout = BorderLayout() // handles placement of components
add(label, BorderLayout.CENTER) // add the label to the biggest section
add(clicker, BorderLayout.SOUTH) // put the button underneath it
defaultCloseOperation = EXIT_ON_CLOSE // stop the program on "X"
}
override fun actionPerformed(arg0: ActionEvent) {
if (arg0.source == clicker) { // if they clicked the button
if (clicks == 0) text = "There has been " + (++clicks) + " click"
else
label.text = text // change the text
}
}
}
fun main(args: Array<String>) {
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