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If a=5 and b=9; Find this; a+= a++ - ++b +a Wth reference to java programming.
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The answer is 7.
The above expression can be converted into the following:
a = a + (a + 1) - (b + 1) + a; // After this computation, b = 10
^---------(after a++ here, a becomes 6)
So, a = 5 + 6 - 10 + 6;
Therefore, a = 7;
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How is it 21