For example, I have this code :
int a = 2;
long b = 3;
a = a + b;//Error while compilation
a += b;//Normaly fineshes
What is the difference between the two instructions , because I saw such questions in list of interview questions?
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Type mismatch: cannot convert from long to int. Did u check this ? – Amsheer Dec 02 '14 at 10:05
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when you perform a+b, it must meet the type checking condition. When you do a += b, it will implicitly do the addition. – janasainik Dec 02 '14 at 10:10