Jul 29, 2009 · The third way of initializing is useful when you declare an array first and then initialize it, pass an array as a function argument, or return an array. The explicit type is required. String[] myStringArray; myStringArray = new String[]{"a", "b", "c"};

Dec 21, 2009 · When you create an array of size 10 it allocated 10 slots but from 0 to 9. This for loop might help you see that a little better. public class Array { int[] data = new int[10]; /** Creates a new instance of an int Array */ public Array() { for(int i = 0; i < data.length; i++) { data[i] = i*10; } } }

Whenever we write int[] array = new int[10], this simply initializes an array of size 10 having all elements set to 0, but I just want to initialize all elements to something other than 0 (say, -1). Otherwise I have to put a for loop just after the initialization, which ranges from index 0 to index size − 1 , and inside that loop assign each ...

May 27, 2012 · Remember arrays in java are fixed length data structures. Once you create an array, you have to specify the length. Without initialization, the first case is . int[] arr1 = new int[5]; The second case it would be. int[] arr2 = {0,0,0,0,0}; You see the difference?

Apr 1, 2010 · You can always write it like this . String[] errorSoon = {"Hello","World"}; For (int x=0;x<errorSoon.length;x++) // in this way u create a for loop that would like display the elements which are inside the array errorSoon.oh errorSoon.length is the same as errorSoon<2 { System.out.println(" "+errorSoon[x]); // this will output those two words, at the top hello and world at the bottom of hello.

Jul 23, 2017 · @Terence: It does the same as the first: It creates an array of string array references, initialized to the values array1, array2, array3, array4 and array5 - each of which is in itself a string array reference. –

Jul 1, 2010 · FWIW if you send the array to something else (like a graphical list handler) and re-initialize the array like above, the link to the graphical list handler will break. I ran into this while developing with Android. So if you want to update the list, the best thing to do is clear it and add more items with its own tools. And never use new. :p

Oct 8, 2012 · how to initialize a static array of objects in java. 2. Setting array values to be static. 5.

Jul 1, 2009 · Multidimensional Array in Java Returning a multidimensional array. Java does not truely support multidimensional arrays. In Java, a two-dimensional array is simply an array of arrays, a three-dimensional array is an array of arrays of arrays, a four-dimensional array is an array of arrays of arrays of arrays, and so on... We can define a two ...

Mar 9, 2012 · As for calling toString() on an employee, you need to property override the toString() method for the Employee class, with whatever you want the ouput to be, otherwise you will get the default toString() of the Object class, which outputs the class name and the hexadecimal representation of the hash code of the object.