gistfile1.java

    private ReplacementAlgorithm selectReplacementAlgorithm(String choice) {

        if (choice.matches("N")) {
            return new NRUAlgorithm();
        } else if (choice.matches("l")) {
            return new LRUAlgorithm();
        } else if (choice.matches("r")) {
            return new RandomAlgorithm();
        } else if (choice.matches("f")) {
            return new FIFOAlgorithm();
        } else if (choice.matches("s")) {
            return new SecondChanceAlgorithm();
        } else if (choice.matches("C")) {
            return new VirtualClockAlgorithm(this.frames);
        } else if (choice.matches("c")) {
            return new PhysicalClockAlgorithm(this.frames);
        } else if (choice.matches("A")) {
            return new VirtualAgingAlgorithm();
        } else {
            return new PhysicalAgingAlgorithm();
        }
    }