Dyskusje Q&A
Do you have to pay for this app or is it completey free? Because this is amazing, I just started an excelerated class on C#, and this app has helped me more than the book for my class!
0 głosów
4 odpowiedzi
bottles of beer song won't run.\Playground\:28: error: class, interface, or enum expected } ^ 1 error
1 Głos
1 Odpowiedź
"time is not defined"?
2 głosów
1 Odpowiedź
I need help with a lab for my computer science class and I'm extremely low on experience with java. I have to show my lab before the exam and its due today. Please help me.
0 głosów
3 odpowiedzi
Constructor Error
1 Głos
2 odpowiedzi
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
0 głosów
8 odpowiedzi
public class Program {
public static void main(String[] args) {
int [ ] myArr = {6, 42, 3, 7};
int sum=0;
for(int x=0; x<myArr.length; x++) {
sum += myArr[x];
}
System.out.println(sum);
}
}
very lovely program. please who can explain the meaning of "+=" in the code?
0 głosów
5 odpowiedzi
can anyone plz explain me this program step by step?#include <iostream>
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;
}
};
int main() {
MyClass obj1(12), obj2(55);
MyClass res = obj1+obj2;
cout << res.var;
}I am not getting the part inside operator+
0 głosów
8 odpowiedzipublic class MyClass {
public static void main(String[ ] args) {
int num = 5;
addOneTo(num);
System.out.println(num);
}
static int addOneTo(int num) {
num = num + 1;
return num;
}
}
0 głosów
2 odpowiedzi
public class Program {
static int div(int a, int b)
{
if(b == 0)
{
throw ArithmeticException("Division by Zero");
} else {
x = a/b;
return x;
}
}
public static void main(String[] args) {
int x= div(42,2);
System.out.println(x);
}
}
what is wrong with this code ..
0 głosów
5 odpowiedzi
Seems like math class doesn't exist in my eclipse version in library. It asks me to create method pow when I try to check Double a = Math.pow(2,3); Any ideas?
1 Głos
1 Odpowiedź
where's the error ?
-3 głosów
2 odpowiedzi
public class Program {
public static void main(String[] args) {
int result = 0;
for (int i=0; i<5; i++) {
if (i==3) {
result += 10;
}
else {
result += i;
}
}
System.out.println(result);
}
}
The result is 17. But how? I want to understand. please help.
0 głosów
3 odpowiedzi
How can I create a bank account id that will store name, account number, amount, phone and save them to an array list and approach will be the best so other classes can't access my inner workings of the class
0 głosów
3 odpowiedzi
which of the following statements are correct for accessing x?and why?
#include <iostream>
using namespace std;
class test{
public:
int x=9;
};
int main()
{
test t;
test *p=&t;
}
select all that apply:-
a) t.x
b) p.x
c) t->x
d) p->x
1 Głos
3 odpowiedzi
Objects in heap?
0 głosów
1 Odpowiedź
Have you heard about the mutable default trap in python? I´ve just passed through it successfully.
0 głosów
1 Odpowiedź
Why is not working
0 głosów
3 odpowiedzi
Write a program to return the area of Geometricshapes square and rectangle. Area of square is side*side, rectangle is length*breadth. The controlling class should display the following menu and respond to the user’s selection
Mean
1. Calculate area of square
2. Calculate area of rectangle
3. Quit
Enter your choice (1-3):
0 głosów
3 odpowiedziPopularne dzisiaj
Help please?
3 Votes
Ejercicio Pytho
0 Votes
Online voting system
2 Votes
What is that z for
0 Votes
Suggestions needed
4 Votes
SQL practice
2 Votes
Game development
0 Votes