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 …

Jul 15, 2009 · How do I determine whether an array contains a particular value in Java? Asked 16 years, 7 months ago Modified 5 months ago Viewed 2.9m times

Sep 22, 2008 · You can't resize an array in Java. I assume you don't want to just null the elements since that would be trivial. Do you want to shift the other elements to remove the gaps?

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 …

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

In Java, arrays don't override toString(), so if you try to print one directly, you get the className + '@' + the hex of the hashCode of the array, as defined by Object.toString(): int[] intArray =...

Oct 1, 2008 · Note that the returned type for asList() is a List using a concrete ArrayList implementation, but it is NOT java.util.ArrayList. It's an inner type, which emulates an ArrayList but actually directly …

Java Array Copy Methods Object.clone (): Object class provides clone () method and since array in java is also an Object, you can use this method to achieve full array copy.

Apr 25, 2024 · 72 In general (and in Java) an array is a data structure consisting of sequential memory storing a collection of objects. List is an interface in Java, which means that it may have multiple …

In Java 8, we can do a kind of generic array creation using a lambda or method reference. This is similar to the reflective approach (which passes a Class), but here we aren't using reflection.