post-increment Questions
5
Solved
I'm doing some research about Java and find this very confusing:
for (int i = 0; i < 10; i = i++) {
System.err.print("hoo... ");
}
This is never ending loop!
Anybody has good explanat...
Lapidate asked 28/1, 2013 at 21:11
6
Solved
I am confused about the post ++ and pre ++ operator , for example in the following code
int x = 10;
x = x++;
sysout(x);
will print 10 ?
It prints 10,but I expected it should print 11
b...
Cyrano asked 3/7, 2014 at 23:18
2
Recently, I upgraded my project from gcc 4.3 to gcc 5.5. After that, I see a change of behaviour in the post-increment operator which is causing issues in my project. I am using a global variable a...
Spore asked 8/6, 2018 at 10:13
2
Solved
I came accross this expression, and can't understand the meaning of line 3 in the following snippet:
int A=0, B=0;
std::cout << A << B << "\n"; // Prints 0, 0
A += B++ == 0; // h...
Endor asked 4/5, 2018 at 12:41
27
Solved
Why does this
int x = 2;
for (int y =2; y>0;y--){
System.out.println(x + " "+ y + " ");
x++;
}
prints the same as this?
int x = 2;
for (int y =2; y>0;--y){
System.out.println(x + ...
Sisson asked 16/12, 2009 at 22:17
8
Solved
In programming, particularly in Java, what is the difference between:
int var = 0;
var++;
and
int var = 0;
++var;
What repercussions would this have on a for loop?
e.g.
for (int i = ...
Osage asked 30/5, 2011 at 10:50
3
I am trying to run the following code in PHP through localhost, but its giving the unexpected output!
<?php
$a = 1;
echo ($a+$a++); // 3
?>
//answer is 3 but answer should be 2 due...
Genous asked 12/12, 2017 at 6:23
6
Solved
Expression 1: *p++; where p is a pointer to integer.
p will be incremented first and then the value to which it is pointing to is taken due to associativity(right to left). Is it right?
Expressio...
Ruder asked 25/5, 2017 at 9:26
2
If n has the value 5 then output:
printf("%d %d", n++, ++n); //should be 5 and 7
But I get as output 6 and 7.
Pistoia asked 12/5, 2017 at 10:37
7
Solved
I don't understand the results of following code:
#include <stdio.h>
#include <conio.h>
int main()
{
int a[4]={1, 3, 5, 6};
//suppose a is stored at location 2010
printf("%d\n", a +...
Stove asked 2/10, 2013 at 4:58
3
Solved
While I am testing post increment operator in a simple console application, I realized that I did not understand full concept. It seems weird to me:
int i = 0;
bool b = i++ == i;
Console.Wri...
Electrum asked 25/12, 2016 at 10:57
5
Solved
I have two similar questions about operator precedences in Java.
First one:
int X = 10;
System.out.println(X++ * ++X * X++); //it prints 1440
According to Oracle tutorial:
postfix (expr++, exp...
Shanell asked 24/9, 2013 at 20:21
2
Solved
In Python how can we increment or decrement an index within the square braces of a list?
For instance, in Java the following code
array[i] = value
i--
can be written as
array[i--]
In Pyt...
Misprize asked 24/7, 2016 at 1:30
3
Solved
It's probably fair to say everyone learns writing for-loops using post-increment:
for(var i = 0; i < 10; i++) {
console.log(i); // 0..9
}
When I swap the post-increment out for a pre-increme...
Leverett asked 18/4, 2016 at 21:30
5
Solved
I just started to study C, and when doing one example about passing pointer to pointer as a function's parameter, I found a problem.
This is my sample code :
#include <stdio.h>
#include &...
Propagable asked 10/2, 2016 at 3:39
1
Solved
I had come across this answer to this question. In one of the line, the author mention's:
In any case, follow the guideline "prefer ++i over i++" and you won't go wrong.
I know that ++i is sli...
Giltzow asked 26/2, 2016 at 5:12
2
Solved
I understand that there are a number of questions on this topic on StackOverflow. But I am still slightly confused and unsure of when to use the operations. I am going through old tests in st...
Annunciata asked 14/2, 2016 at 10:30
3
Solved
I am learning programming and I have started from C language. I was reading Let us C book. And I was going through this program in that book.
main( )
{
int a[5] = { 5, 1, 15, 20, 25 } ;
int i...
Myrmeco asked 1/6, 2013 at 4:23
8
Solved
Salute..
I have an unusual problem.
Here in this table in MSDN library we can see that precedence of () is higher than ++ (Pre-increment) .
but when I run this code, it seems that precedence of ++(...
Bonnybonnyclabber asked 4/2, 2011 at 12:26
6
Solved
I understand the differences between i++ and ++i, but I'm not quite sure why I'm getting the results below:
static void Main(string[] args)
{
int c = 42;
c = c++;
Console.WriteLine(c); //Output...
Millicentmillie asked 18/11, 2015 at 15:27
4
Solved
I have a header file and a .cpp file. I am trying to implement a prefix and postfix operator overload but I keep getting this error when setting up the overload.
fraction.h
#ifndef FRACTION_H
#d...
Calumet asked 26/10, 2015 at 5:12
7
Solved
I'm trying to get deeper with post and pre incrementors but am a bit stuck with the following expression :
public static void main(String[] args) {
int i = 0;
i = i+=(++i + (i+=2 + --i) - ++i);
...
Debose asked 14/10, 2015 at 8:48
7
Solved
Why is k not getting incremented whereas,i and j are getting incremented in the same expression.And i also want to know what is the output of the program.I am getting the output as
-2 3 1 0
...
Railing asked 27/10, 2012 at 10:56
3
Solved
I know this issue has been discussed several times , but I could not find a post which explains why a copy needs to be made in case of a post-increment operation.
Quoting from a stackoverflow repl...
Giuditta asked 19/6, 2015 at 15:31
4
Solved
Because of JSLint, I almost always use i += 1 to increment a JavaScript for loop, but for quick and dirty scripts, I use i++ instead.
However, I see a lot of for loops in other people's code in whi...
Fallfish asked 27/4, 2015 at 1:24
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