Mar 13, 2013 · About your "add" method, you probably want to change your local variables to be something more "descriptive", it will help "readability" and "maintainability" in the long run.

May 16, 2010 · 10 There are many ways to add an element to an array. You can use a temp List to manage the element and then convert it back to Array or you can use the java.util.Arrays.copyOf and …

Data structures class, implementing a singly linked-list with head, tail and current nodes. Having trouble with a method, could use a nudge in the right direction. From the assignment, write the m...

Apr 17, 2021 · The set() method can only overwrite elements at existing indices. The add() method adds new elements.

Oct 11, 2014 · Below is the method add() of Java List Interface; if I loop through it 7 times adding i to the 0 th position like so.

You need to learn about basic Java syntax. You are trying to add a string with the contents Rectangle into the list, not a Rectangle object. You should assign your new Rectangle() to a variable and use that.

Apr 13, 2013 · Definitly, you will not encounter any issues, because add is part of List interface as well as the Stack, but you should to notice the further readability of your code and your intentions in it by …

Jan 10, 2023 · You cannot add a method to "the array class", same for all predefined classes, the only solution for other predefined classes is to inherit them and add the methods you want, but, this …

For example, Ruby has open classes: you can add and remove methods from Ruby classes at runtime. In Ruby, you can also have a "method missing" method in your class, that will be called when you try …

Jun 18, 2010 · So, I'm normally a ruby programmer, so my grasp of Java conventions is shaky at best. If I have a class A and want to define a method to add two instances of that class, what's the …