defining java array code example

Example 1: how to declare array java

int intArray[];    //declaring array
intArray = new int[20];  // allocating memory to array
//OR
int[] intArray = new int[20]; // combining both statements in one

Example 2: java array declaration

int[] array = new int[/*size*/];
// Works for double, char, etc.

Example 3: how to use arrays java

// How to use arrays 
// Julian
 public static void main(String[] args)
   {
   // Initialize array
      int[] arrNum = {25, 23, 15, 20, 24};
   // Recorrerlo
      for(int a = 0; a < arrNum.length; a++)
      {
         System.out.println(arrNum[a]);
      }
   }

Example 4: arrays in java

int[] arr;			// Declaration dataType can int, float etc.
arr = new int[N];	// Allocation N = 0 to 2,147,483,647.