Pre and Post Increment and Decrement: Difference between revisions

Revision as of 03:24, 14 September 2011

Pre and Post Increment and Decrement

++x is pre-increment and --x is pre-decrement

x++ is post-increment and x-- is post-decrement

With ++x and --x: means x is incremented BEFORE being used.

With x++ and x--: means x is incremented AFTER being used.

Examples

number a = 1;

number b;

b = ++a;

print(b); // 2

print(a); // 2

b = --a;

print(b); // 1

print(a); // 1

number c = 3;

number d;

d = c++;

print(d); // 3

print(c); // 4

d = c--;

print(d); // 4

print(c); // 3

@@ Line 17: / Line 17: @@
 <span style="color:#a52a2a;"><span style="font-size: 12px;">'''Examples'''</span></span>
-<span style="color: rgb(165, 42, 42);"><span style="font-size: 12px;"</span></span>
+&nbsp;
 <span style="color:#000000;">number a = 1;</span>
@@ Line 52: / Line 52: @@
 <span style="color:#000000;">print(c);&nbsp; &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </span><span style="color:#008000;">// 3</span>
-[[Category:Operators]]