Multi set
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package org.baeldung.guava;
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import com.google.common.collect.HashMultiset;
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import com.google.common.collect.Multiset;
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import org.junit.Test;
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import static org.assertj.core.api.Assertions.assertThat;
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public class GuavaMultiSetUnitTest {
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@Test
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public void add_multipleValues() {
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Multiset<String> bookStore = HashMultiset.create();
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bookStore.add("Potter");
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bookStore.add("Potter");
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assertThat(bookStore.contains("Potter")).isTrue();
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assertThat(bookStore.count("Potter")).isEqualTo(2);
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}
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}
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