@Test public void printDepositsOnly() { System.out.println("***************************************"); DollarAmount someAmount = randomDollarAmount(); DollarAmount anotherAmount = randomDollarAmount(); batman.deposit(someAmount); batman.withdrawal(anotherAmount); batman.withdrawal(anotherAmount); batman.withdrawal(anotherAmount); batman.deposit(anotherAmount); StringBuffer buffer = new StringBuffer(); batman.printStatement(buffer); printBufferWithLines("Full Statement", buffer); buffer = new StringBuffer(); batman.printDeposits(buffer); printBufferWithLines("Deposits Only", buffer); System.out.println("***************************************"); }