//Author: ^-^Veerle^-^ public class calc2Int extends calc2Engine { public void calc2Int () { } public void handleButton (String strAction) { if (strAction.charAt(0) == 'M') { handleMemory(strAction); } else if (strAction.equalsIgnoreCase("Restart")) { resetEverything(); } else if (strAction.equalsIgnoreCase("D")) { deleteLastChar(); } else { char c = strAction.charAt(0); if (Character.isDigit(c)) { processNumber(c); } else if (c == '.') { processDecimalPlace(); } else if (c == '=') { processEqualsOperation(); } else { processOperation(c); } } } public String getDisplayString () { return strDisplay; } }