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 …

Jul 15, 2009 · How do I determine whether an array contains a particular value in Java? Asked 16 years, 6 months ago Modified 4 months ago Viewed 2.9m times

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

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:

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 …

The question asked for the simplest way in java, so it's a one liner, java current version is >14 and my solution is for at least java 8 ( so it is applicable ).

Is there any way in java to return a new array without assigning it first to a variable? Here is an example: public class Data { private int a; private int b; private int c; privat...

Oct 28, 2014 · 11 Arraycopy is an expensive operation, both time and memory wise. Following would be an efficient way to rotate array without using extra space (unlike the accepted …

Jan 26, 2010 · java.util.Collections.reverse() can reverse java.util.List s and java.util.Arrays.asList() returns a list that wraps the the specific array you pass to it, therefore …

How do I convert an array to a list in Java? I used the Arrays.asList() but the behavior (and signature) somehow changed from Java SE 1.4.2 (docs now in archive) to 8 and most …