Discussions Q&R
i want to print sum of all integers from 1to 100 like for example :
1
3
6
10
15......
i tried it i know my code is wrong please help me class Program {
public static void main(String[] args) {
for(int x = 1; x <101; x++) {
int sum = int x;
System.out.println("1");
System.out.println("sum");
}
}
}
3 Votes
11 RéponsesChess tournment
0 Vote
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1 Vote
2 RéponsesSuggestion
2 Votes
2 Réponseswhere's the error ?
-3 Votes
2 RéponsesCan 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
0 Vote
8 RéponsesNeed help
1 Vote
3 Réponsesclass and object
1 Vote
1 RéponseWhye error???
0 Vote
1 RéponseWhy is not working
0 Vote
3 RéponsesI am confused on this
0 Vote
1 Réponse#include <iostream>
using namespace std;
class A{
public:
void f1();
};
class B : public A{
public:
virtual void f1();
}
int main()
{
A * obj = new B;
obj.f1();
}
Ques: can we write virtual before an overridden function from the base class?? if yes which f1() should it call base class f1() or derived class f1()???
0 Vote
1 Réponsejava learning
0 Vote
1 RéponseWhy not working
-4 Votes
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