// Create combination generator object and specify what type of character combinations to generate.
// Different combination types are separated by commas.
CombinationGenerator cg = new CombinationGenerator(CombinationType.LOWERCASE, CombinationType.NUMBERS);

// Set the max length that generations can be. Default is 5.
cg.setMaxLength(3);

// Start generating character combinations with the GenerateListener class.
cg.startGeneration(new GenerateListener() {

	@Override
	public void onGenerate(String combination) {
		
		// Write code to handle the generated character combination.
		System.out.println(combination);
	}
	
});