Give the output of the following method:
<span class="pln">
</span><span class="kwd">public</span><span class="pln"> </span><span class="kwd">static</span><span class="pln"> </span><span class="kwd">void</span><span class="pln"> main </span><span class="pun">(</span><span class="typ">String</span><span class="pln"> </span><span class="pun">[]</span><span class="pln"> args</span><span class="pun">){</span><span class="pln">
</span><span class="kwd">int</span><span class="pln"> a </span><span class="pun">=</span><span class="pln"> </span><span class="lit">5</span><span class="pun">;</span><span class="pln">
a</span><span class="pun">++;</span><span class="pln">
</span><span class="typ">System</span><span class="pun">.</span><span class="kwd">out</span><span class="pun">.</span><span class="pln">println</span><span class="pun">(</span><span class="pln">a</span><span class="pun">);</span><span class="pln">
a </span><span class="pun">-=</span><span class="pln"> </span><span class="pun">(</span><span class="pln">a</span><span class="pun">--)</span><span class="pln"> </span><span class="pun">-</span><span class="pln"> </span><span class="pun">(--</span><span class="pln">a</span><span class="pun">);</span><span class="pln">
</span><span class="typ">System</span><span class="pun">.</span><span class="kwd">out</span><span class="pun">.</span><span class="pln">println</span><span class="pun">(</span><span class="pln">a</span><span class="pun">);}</span><span class="pln"> </span>
Views 37
Answer:
<span class="pln"> </span><span class="lit">6</span><span class="pln"> </span><span class="lit">4</span>
Explanation
- a++ increments value of a by 1 so a becomes 6.
- a -= (a--) - (--a)
⇒ a = a - ((a--) - (--a))
⇒ a = 6 - (6 - 4)
⇒ a = 6 - 2
⇒ a = 4
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