
How do I declare and initialize an array in Java? - Stack Overflow
Jul 29, 2009 · You can either use array declaration or array literal (but only when you declare and affect the variable right away, array literals cannot be used for re-assigning an array). For …
Finding the max/min value in an array of primitives using Java
Sep 28, 2009 · Pass the array to a method that sorts it with Arrays.sort() so it only sorts the array the method is using then sets min to array[0] and max to array[array.length-1].
java - How to add new elements to an array? - Stack Overflow
May 16, 2010 · If you insist on using arrays, you can use java.util.Arrays.copyOf to allocate a bigger array to accomodate the additional element. This is really not the best solution, though.
java - Create ArrayList from array - Stack Overflow
Oct 1, 2008 · If you look, Arrays ISN'T returning a true java.util.ArrayList. It's returning an inner class that implements the required methods, but you cannot change the memebers in the list.
java - Random shuffling of an array - Stack Overflow
Oct 5, 2009 · Java collections Arrays.asList takes var-arg of type T (T ...). If you pass a primitive array (int array), asList method will infer and generate a List<int[]>, which is a one element list …
How do you find the sum of all the numbers in an array in Java?
Dec 29, 2010 · I'm having a problem finding the sum of all of the integers in an array in Java. I cannot find any useful method in the Math class for this.
Convert list to array in Java - Stack Overflow
In older Java versions using pre-sized array was recommended, as the reflection call which is necessary to create an array of proper size was quite slow. However since late updates of …
What's the simplest way to print a Java array? - Stack Overflow
Arrays.toString As a direct answer, the solution provided by several, including @Esko, using the Arrays.toString and Arrays.deepToString methods, is simply the best. Java 8 - Stream.collect …
How do I fill arrays in Java? - Stack Overflow
Feb 23, 2009 · Array elements in Java are initialized to default values when created. For numbers this means they are initialized to 0, for references they are null and for booleans they are false. …
How can I concatenate two arrays in Java? - Stack Overflow
Sep 17, 2008 · The array created by Arrays.copyOf will have the component type of the first array, i.e. Integer in this example. When the function is about to copy the second array, an …