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Timer in Java

Timer in Java. javax.swing.Timer – ( getDelay , setDelay , setRepeats , isRepeats , start, stop, isRunning ; ActionListner : actionPerformed ) JProgressBar – ( getMinimum , setMinimum , getMaximum , setMaximum , getValue , setValue , getOrientation , setOrientation ).

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Timer in Java

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  1. Timer in Java • javax.swing.Timer – (getDelay, setDelay, setRepeats, isRepeats, start, stop, isRunning; ActionListner: actionPerformed) • JProgressBar – (getMinimum, setMinimum, getMaximum, setMaximum, getValue, setValue, getOrientation, setOrientation)

  2. Java Applet • HTML/XHTML • Web browsers with Java plug-in/Applet container • Load the class • Create an object • Call init, start, paint • Applet Life-Cycle methods: init, start, stop, and destroy.

  3. Applet vs. Application • JApplet vs. JFrame/JPanel • An applet can always be converted to an application • An application can be converted to an applet if no applet security rules are violated.

  4. Simple HTML Example <html> <head> <title>One Minute Timer</title> </head> <body> <applet code = "TestTimer.class" width = 270 height = 300> </applet> </body> </html>

  5. An Example

  6. Layout Managers • null: absolute positioning • FlowLayout: sequentially form left to right; default for JPanel • BorderLayout: five areas: NORTH, SOUTH, EAST, WEST, and CENTER; default for JFrame • GridLayout: rows and columns

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