If you’re represented by an attorney, tell the collector. Once the collection company gets your letter, it can only contact you to confirm it will stop contacting you in the future or to tell you it plans to take a specific action, like filing a lawsuit. Consider sending the letter by certified mail and paying for a “return receipt.” That way, you’ll have a record the collector got it.
Mail a letter to the collection company and ask it to stop contacting you. How can I stop a debt collector from contacting me? They also can’t contact you at work if you tell them you’re not allowed to get calls there.ĭebt collectors can call you, or send letters, emails, or text messages to collect a debt. Debt collectors can’t contact you before 8 a.m. Business debts are not.Ĭan debt collectors contact me at any time or place? Your credit card debt, auto loans, medical bills, student loans, mortgage, and other household debts are covered under the FDCPA. What types of debts are covered under the law? Identity Theft and Online Security Show/hide Identity Theft and Online Security menu items.Unwanted Calls, Emails, and Texts Show/hide Unwanted Calls, Emails, and Texts menu items.Money-Making Opportunities and Investments.Jobs and Making Money Show/hide Jobs and Making Money menu items.Credit, Loans, and Debt Show/hide Credit, Loans, and Debt menu items.Shopping and Donating Show/hide Shopping and Donating menu items.The supplier()method returns a Supplier instance that generates an empty accumulator instance. In this case, we will go with an ImmutableSet.Builder and now we need to implement 5 methods: Instead, we need to use some other mutable collection, or any other class that could temporarily accumulate objects for us. Since we need a mutable collection for internal collection operation handling, we can't use ImmutableSet. If we want to write our own Collector implementation, we need to implement the Collector interface, and specify its three generic parameters: public interface Collector This example is available on GitHub in the core-java-12 project. (min, max) -> // Receives the result from those collectors and combines them MaxBy(Integer::compareTo), // The second collector MinBy(Integer::compareTo), // The first collector Since this new collector tees the given stream towards two different directions, it's called teeing: numbers.stream().collect(teeing(
Before Java 12, in order to cover such use cases, we had to operate on the given Stream twice, store the intermediate results into temporary variables, and then combine those results afterwards.įortunately, Java 12 offers a built-in collector that takes care of these steps on our behalf all we have to do is provide the two collectors and the combiner function. Here we're using two different collectors, and then combining the results of those two to create something meaningful. Optional max = numbers.stream().collect(maxBy(Integer::compareTo)) Optional min = numbers.stream().collect(minBy(Integer::compareTo)) Let's find the maximum and minimum numbers from a given Stream using the collectors we've learned so far: List numbers = Arrays.asList(42, 4, 2, 24) isInstanceOf(UnsupportedOperationException.class) 3.5. Similar to with Lists and Sets, Java 10 introduced an easy way to collect Stream elements into an unmodifiable Map: Map result = givenList.stream()Īs we can see, if we try to put a new entry into a result Map, we'll get an UnsupportedOperationException: assertThatThrownBy(() -> result.put("foo", 3))
In this case, we'll just pick any of these two colliding values because we know that the same strings will always have the same lengths too. The third argument here is a BinaryOperator, where we can specify how we want collisions to be handled. collect(toMap(Function.identity(), String::length, (item, identicalItem) -> item)) In such cases with key collision, we should use toMap with another signature: Map result = givenList.stream() If it sees duplicate keys, it immediately throws an IllegalStateException. Note that toMap doesn't even evaluate whether the values are also equal. }).isInstanceOf(IllegalStateException.class) ListWithDuplicates.stream().collect(toMap(Function.identity(), String::length)) So what happens if our collection contains duplicate elements? Contrary to toSet, toMap doesn't silently filter duplicates, which is understandable because how would it figure out which value to pick for this key? List listWithDuplicates = Arrays.asList("a", "bb", "c", "d", "bb") collect(toMap(Function.identity(), String::length))įunction.identity() is just a shortcut for defining a function that accepts and returns the same value.
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