How to improve the experience, d

Map experienceSet = new Map();
when(face with thing){
    String problem = extractProblem(thing);
    String solution = experienceSet.get(problem);
    if(solution == null){
        solution = makeDecision(problem);
    }
    
    String result = dealThing(solution);
    if(result is good){
        experienceSet.put(problem, solution);
    }else{
        experienceSet.remove(problem);
        putBadSolutionIntoToDoList(thing, solution);
    }
}