Sesiones de PyR
Can someone explain this code to me....
class ReverseNumberDemo
{ public static void main(String args[]) {
int num=123456789;
int reversenum =0;
while( num != 0 ) {
reversenum = reversenum * 10;
reversenum = reversenum + num%10;
num = num/10; }
System.out.println("Reverse of specified number is: "+reversenum);
}
}
the thing I don't get is the reversenum part......isn't reversenum=0 so wouldn't reversenum*10=0
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using namespace std;
class MyClass {
public:
int var;
MyClass() { }
MyClass(int a)
: var(a) { }
MyClass operator+(MyClass &obj) {
MyClass res;
res.var= this->var+obj.var;
return res;
}
};
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MyClass obj1(12), obj2(55);
MyClass res = obj1+obj2;
cout << res.var;
}I am not getting the part inside operator+
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