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26 lines
437 B
26 lines
437 B
package com.platform.test;
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import java.util.HashSet;
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import java.util.Set;
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import org.junit.Test;
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public class SetTest {
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@Test
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public void testSet() {
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Set<String> set = new HashSet<String>();
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set.add("a");
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set.add("a");
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set.add("b");
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set.add("c");
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System.out.println(set.size());
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set.remove("c");
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System.out.println(set.size());
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set.remove("a");
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System.out.println(set.size());
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}
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}
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