lets we have
string s="" , k="abcd";
(1) s=s+a;
(2) s+=a;
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lets we have
string s="" , k="abcd";
(1) s=s+a;
(2) s+=a;
int a=10; int b=(++a)+(++a) b is 24
Another
int a=10; int b=(++a) + (++a) + (--a) + (++a); b is 47
HOW BOTH IS WORKING
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