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KwickClips Cyber Safety and Ethics · 41 sec · free

What does &m give?

Short answer. The address of m.

What does *p give?

The value at p.

Remember

&m: address of m
*p: value at p

Can you change marks without writing marks equals? Yes. M is marks. P stores the address of m. Star p equals eighty changes m. So it prints eighty. Ampersand gives the address. Star gives the value there.

This clip is from the full lesson: Pointers in C++ — 7 minutes, with the tables, the quick answers and the whole lesson in text.

Useful for: NIOS Senior Secondary Computer Science (330), NIOS Senior Secondary Computer Science (330), Programming All levels C, Programming All levels C++

More KwickClips from this lesson

C++ code int *m = new int[2]{7, 9}; output 16; delete[] m;What pairs with new int[n]?40 secC++ struct S with set(int roll) using this->roll = roll, p->set(12), output 12.What does this hold?39 secTable of pointer bugs: wild, dangling, leak, null.How should a pointer start?42 sec
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