
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 the question, …
java - Remove elements from collection while iterating - Stack Overflow
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."
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 while loop, …
java - How to break a while loop from an if condition inside the while ...
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 label before a …
java - Difference between break and continue statement - Stack Overflow
Jan 21, 2009 · Java’s continue statement skips over the current iteration of a loop and goes directly to the next iteration. After calling the continue statement in a for loop, the loop execution will execute …
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 often used to early …
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 there …
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 unchanged, …
What condition does while(true) test? When is it true and false?
Sometimes the exit condition from a loop is complicated, such as in a server that is expected to constantly wait for and process input, until it receives a signal to shut down. In such cases, while …
java - do-while and while comparison - Stack Overflow
Nov 18, 2013 · while is an entry check loop, whereas do-while is an exit-check loop. And NO, what you mentioned is not the right way to interchange the loop, while having the functionality intact.