
java - Remove elements from collection while iterating - Stack …
May 3, 2012 · Actually the java docs on this are really confusing. "Iterators allow the caller to remove elements from the underlying collection during the iteration with well-defined semantics."
Declaring variables inside or outside of a loop - Stack Overflow
Jan 10, 2012 · The scope of local variables should always be the smallest possible. In your example I presume str is not used outside of the while loop, otherwise you would not be asking …
java - How to break a while loop from an if condition inside the …
An "if" is not a loop. Just use the break inside the "if" and it will break out of the "while". If you ever need to use genuine nested loops, Java has the concept of a labeled break. You can put a …
java - when to use while loop rather than for loop - Stack Overflow
I am learning java as well android. Almost everything that we can perform by while loop those things we can do in for loop. I found a simple condition where using while loop is better than …
Is it possible to declare a variable within a Java while conditional ...
Aug 4, 2016 · But the variable still has to be declared outside the while-loop. So, as I want to keep my variable scopes clean, is it possible to declare a variable within the while conditional, or is …
How do I exit a while loop in Java? - Stack Overflow
Oct 31, 2011 · 2 Take a look at the Java™ Tutorials by Oracle. But basically, as dacwe said, use break. If you can it is often clearer to avoid using break and put the check as a condition of the …
What is the "continue" keyword and how does it work in Java?
Sep 18, 2015 · A continue statement without a label will re-execute from the condition the innermost while or do loop, and from the update expression of the innermost for loop. It is …
Learning the nested while loop in Java - Stack Overflow
Feb 12, 2011 · 4 Simply because you don't reset i before you start the inner loop (or after you end it.) Therefore, in the second, and subsequent iterations of the outer loop, you get to the inner …
Using while loop in java - Stack Overflow
You need to change the variable that is being tested, here input2, inside of the loop. Else there's no chance of exiting. All you change in the loop is the total variable while input2 remains …
java - How to skip a iteration/loop in while-loop - Stack Overflow
Feb 13, 2013 · Unlike the break keyword, continue does not terminate a loop. Rather, it skips to the next iteration of the loop, and stops executing any further statements in this iteration. This …