package Interpreter; import java.util.HashMap; import java.util.Map; public class Environment { private final Map variableMap = new HashMap<>(); //Maybe check if variable is already defined? public void defineVariable(String name,Object value){ variableMap.put(name, value); } public Object getVariable(String name){ if(variableMap.containsKey(name)){ return variableMap.get(name); } Language.displayError("Undefined Variable"); throw new Error(); } public void assignVariable(String name,Object value){ if(variableMap.containsKey(name)){ variableMap.put(name, value); return; } Language.displayError("Variable undefined"); throw new Error(); } }