Jul 29, 2009 · This answer fails to properly address the question: "How do I declare and initialize an array in Java?" Other answers here show that it is simple to initialize float and int arrays when they …

42 You can't remove an element from the basic Java array. Take a look at various Collections and ArrayList instead.

Dec 21, 2009 · 4 If you want to initialize an array in a constructor, you can't use those array initializer like.

May 16, 2010 · The size of an array can't be modified. If you want a bigger array you have to instantiate a new one. A better solution would be to use an ArrayList which can grow as you need it. The …

Jul 15, 2009 · How do I determine whether an array contains a particular value in Java? Asked 16 years, 5 months ago Modified 3 months ago Viewed 2.9m times

If you want to store n elements then the array index starts from zero and ends at n-1. Another way of creating a two dimensional array is by declaring the array first and then allotting memory for it by …

Sep 8, 2010 · The size of arrays in Java cannot be changed. So, technically you cannot remove any elements from the array. One way to simulate removing an element from the array is to create a new, …

Sep 28, 2009 · If you have an array of one of those, you can find the min or max using Arrays.stream(). A comprehensive solution to the problem of reductions over primitive arrays is rather than implement …

The length of an array in Java is immutable. So, you need to copy the desired part into a new array. Use copyOfRange method from java.util.Arrays class:

There are two styles to convert a collection to an array: either using a pre-sized array (like c.toArray (new String [c.size ()])) or using an empty array (like c.toArray (new String [0]). In older Java versions …