Something

while ((j < (Class2.length-1)) && (i < (Class1.length-1)))
		{if (Class1[i] < Class2[j])
			{
			ClassMerged[k] = Class1[i];
			i++;
			k++;
			System.out.println("A");
			System.out.println("i: " + i + "j: " + j + "k: " + k);
			}
		if (Class2[j] < Class1[i])
			{
			ClassMerged[k] = Class2[j];
			j++;
			k++;
			System.out.println("B");
			}
		if (Class2[j] == Class1[i])
			{
			ClassMerged[k] = Class1[i];
			i++;
			j++;
			k++;
			System.out.println("C");
			System.out.println("i: " + i + "j: " + j + "k: " + k);
			}
		}