Properties集合方法将内存中临时Map集合的数据存储到硬盘中并读取

store存储

        Properties prop = new Properties();
        prop.setProperty("迪丽热巴","18");
        prop.setProperty("马儿扎哈","21");
        prop.setProperty("赵丽颖","31");

        FileWriter fw = new FileWriter("IO\\a.txt");
        prop.store(fw,"我爱你");

        fw.close();

存储结果：

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load读取

输出结果：