PassiveExpiringMap<String,String> cache = new PassiveExpiringMap<String,String>(1000); // Expiration time of 1 sec
cache.put("Key1", "Value1");
System.out.println(cache.containsKey("Key1"));
Thread.sleep(500);
System.out.println(cache.containsKey("Key1"));
Thread.sleep(500);
System.out.println(cache.containsKey("Key1"));
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PassiveExpiringMap<String,String> cache = new PassiveExpiringMap<String,String>(1,TimeUnit.SECONDS); // Expiration time of 1 sec
cache.put("Key1", "Value1");
System.out.println(cache.containsKey("Key1")); // prints true
Thread.sleep(1000);
System.out.println(cache.containsKey("Key1")); // prints false
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