package com.csc.library.summary; public class entrySummary implements SumEntryManager { int total = 0; public void plus(int value) { this.total += value; } public void plus(String value) { plus(Integer.parseInt(value)); } public void minus(int value) { this.total -= value; } public void minus(String value) { minus(Integer.parseInt(value)); } public int getValue() { return this.total; } public void clear() { this.total = 0; } }