Oct 30, 2009 · In Java Array Sizes are always of Fixed Length But there is way in which you can Dynamically increase the Size of the Array at Runtime Itself This is the most "used" as well as …

Jun 10, 2014 · However accessing an element in an array is efficient (O (1) time) and there are big advantages when it comes to sorting. The Java ArrayList is an implementation of a dynamic array.

Oct 8, 2010 · As you have probably figured out by now, regular arrays in Java are of fixed size (an array's size cannot be changed), so in order to add items dynamically to an array, you need a …

Mar 11, 2010 · Yes: use ArrayList. In Java, "normal" arrays are fixed-size. You have to give them a size and can't expand them or contract them. To change the size, you have to make a new array and …

Jun 19, 2013 · Both java.util.ArrayList and java.util.Vector are implemented using arrays. But then, do you really care if the strings happen to be stored internally in an array, or do you just need a …

I am working on a project, but I cannot use any existing java data structures (ie, ArraysList, trees, etc) I can only use arrays. Therefore, I need to dynamically update an array with new memory. ...

Apr 28, 2015 · 28 I am using String Array declare as zoom z[]=new String[422];. But this array stores value from 0 to 32, so I got null pointer exception after looping value 32. How to solve this problem in …

Feb 8, 2014 · An array of dynamic size isn't possible in Java - you have to either know the size before you declare it, or do resizing operations on the array (which can be painful). Instead, use an …

You can dynamically add elements to an array using Collection Frameworks in JAVA. collection Framework doesn't work on primitive data types. This Collection framework will be available in …

Oct 29, 2010 · Use ArrayList (or other array object who can handle any number of objects). A java array always has a fixed length since some memory will be reserved for the array. ArrayList creates such …