gistfile1.java

public class IntArray {
    
    final int DEFAULT_SIZE = 10;
    int[] _int_array;
    
    public IntArray() {
        _int_array = new int[DEFAULT_SIZE];
    }
    
    public IntArray(int size) {
        _int_array = new int[size];
    }
    
    public IntArray(int[] copy) {
        _int_array = copy;
    }
    
    public int get(int index) {
        return _int_array[index];
    }
    
    public boolean set(int index, int value) {
        _int_array[index] = value;
        return true;
    }
    
    public int size() {
        return _int_array.length;
    }

    public void reinitialize_with_default(int default_value) {
        // no need to actually re-create just loop through it
        for(int i = 0; i < _int_array.length; i++) {
            _int_array[i] = default_value;
        }
    }

     public static void main(String []args){
        IntArray int_array = new IntArray();
        int_array.reinitialize_with_default(4);
        
        int_array.set(3, 30);
        
        System.out.println("Index - Value");
        
        for (int i = 0; i < int_array.size(); i++) {
            System.out.println("" + i + " - " + int_array.get(i));
        }
     }
}