Question: Design an applet with two text boxes and two buttons (Upper, Lower). Write the code so that on clicking any of these buttons, the text

Design an applet with two text boxes and two buttons (Upper, Lower). Write the code so that on clicking any of these buttons, the text entered in the first text box will be converted to the corresponding case and will be displayed in the second text box. If the entered text is not a string, then give an appropriate message at the status bar. 4
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