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Hello Group,Is there any source where I could find multiple problem programming question on a single topic, so that I could get a good hang on those topics. for e.g, lets say I am learning 'if else' then I could have question and solve 30-40 examples on just 'if else'..Kind Regards,Adarsh
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1 AnswerI dont understand
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5 Answerswhr did i use this language ?
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3 AnswersCan 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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