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 …

May 3, 2012 · In the collect and removeAll approach the disadvantage is that we have to iterate twice. First we iterate in the foor-loop looking for an object that matches our removal criteria, …

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 …

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 …

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 …

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 …

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 …

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 …

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, …

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 …