int cannot be converted to int []
int cannot be converted to int []
arrays
Finding the size of a char array in Java
You can use b.length to find out how many characters there are. This is only the number of characters, not indexing, so if you iterate … Read more
Any way to declare an array in-line?
Any way to declare an array in-line?
Getting the array length of a 2D array in Java
Consider public static void main(String[] args) { int[][] foo = new int[][] { new int[] { 1, 2, 3 }, new int[] { … Read more
Get only part of an Array in Java?
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: int[] … Read more
Checking to see if array is full
Since you are using array, the size of array is determined during compilation. Thus if your intention is to check whether current array’s … Read more
How to use ArrayUtils for array of objects, it doesn’t delete the content of an array
Change this ArrayUtils.remove(listItems, i); to listItems = ArrayUtils.remove(listItems, i); As you can see in the JavaDoc, the method does not change the argument listItems, rather … Read more
Error array dimension missing
I keep getting array dimension missing public static Planet[] readPlanets(String filename) { allPlanets = new Planet[]; In in = new In (filename); int … Read more
Printing char arrays in Java
Solution is to use new String(c): System.out.println(“” + new String(c)); And the “” + is really bogus and should be removed. Below is … Read more
Fill an array with random numbers [duplicate]
You need to add logic to assign random values to double[] array using randomFill method. Change public static double[] list(){ anArray = new … Read more