Package com.project.calculator
package com.project.calculator
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ClassesClassDescriptionThe
BaseUIclass represents the main graphical user interface for a simple calculator application.TheInfixToPostfixclass is responsible for converting an infix expression to postfix notation and triggering the postfix evaluation process.TheKeyboardEventsclass handles keyboard input events for the calculator.TheLogicclass handles the core operations and event handling for the calculator.TheMainUIclass represents the panel containing all calculator buttons.ThePostfixEvaluationclass evaluates a mathematical expression in postfix notation using a stack-based approach.