Fewpal
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What values will be displayed in JOptionPane when the following code is executed?

int a = 5, b = 2 ; 

while (a < 20) 

a = a + b ; b = a - b ; 

JOptionPane. 

showMessageDialog(null,a) ; 

}

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No value will be displayed in JOptionPane because it will give exception in thread ‘main’ due to null.

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