10. Array length

• The syntax for getting the length of an array

  
      arrayName.length
  
  

• Code that puts the numbers 0 through 9 in an array

  
      int[] values = new int[10];
      for (int i = 0; i < values.length; i++) 
      {
         values[i] = i;
      }
  
  

• The field variable length contains the size of the array

• The field variable length can be directly accessed in a program using the array name and the dot operator

• It is a common practice for a program to keep track of the number of filled elements in an array