Questions On Finite Automata Assignment Solution.

DRIVER

import java.math.BigDecimal;

import java.util.Locale;

public class Driver {

public static void main(String[] args) {

Accumulator accumulator = new Accumulator(BigDecimal.valueOf(1));

Accumulator accumulator2 = new Accumulator(BigDecimal.valueOf(100));

System.out.println(accumulator);

accumulator.accumulate(BigDecimal.valueOf(50));

accumulator.accumulate(accumulator2);

System.out.println(accumulator);

}

}

ACCUMULATOR

import java.math.BigDecimal;

public class Accumulator {

private BigDecimal accumulatedValue;

public Accumulator(BigDecimal accumulatedValue) {

this.accumulatedValue = accumulatedValue;

}

@Override

public String toString() {

return accumulatedValue.toString();

}

public void accumulate(BigDecimal value) {

accumulatedValue = accumulatedValue.add(value);

}

public void accumulate(Accumulator accumulator) {

accumulatedValue = accumulatedValue.add(accumulator.getAccumulatedValue());

}

public BigDecimal getAccumulatedValue() {

return accumulatedValue;

}

}