foreach Archives - Page 5 of 5

Is there a reason for C#’s reuse of the variable in a foreach?

When using lambda expressions or anonymous methods in C#, we have to be wary of the access to modified closure pitfall. For example: ...

April 10, 2022
0 Comments

Short circuit Array.forEach like calling break

...

April 10, 2022
0 Comments

How does PHP ‘foreach’ actually work?

Let me prefix this by saying that I know what foreach is, does and how to use it. This question concerns how it ...

April 10, 2022
0 Comments

For-each over an array in JavaScript

How can I loop through all the entries in an array using JavaScript? 40 40

April 9, 2022
0 Comments

How does the Java ‘for each’ loop work?

for (Iterator<String> i = someIterable.iterator(); i.hasNext();) { String item = i.next(); System.out.println(item); } Note that if you need to use i.remove(); in your ...

April 8, 2022
0 Comments

How to avoid java.util.ConcurrentModificationException when iterating through and removing elements from an ArrayList

Two options: Create a list of values you wish to remove, adding to that list within the loop, then call originalList.removeAll(valuesToRemove) at the ...

April 8, 2022
0 Comments

How do I apply the for-each loop to every character in a String?

The easiest way to for-each every char in a String is to use toCharArray(): for (char ch: "xyz".toCharArray()) { } This gives you the conciseness of for-each construct, ...

April 7, 2022
0 Comments

What does the colon (:) operator do?

There are several places colon is used in Java code: 1) Jump-out label (Tutorial): label: for (int i = 0; i < x; ...

April 6, 2022
0 Comments