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12 lines
210 B
Plaintext
12 lines
210 B
Plaintext
import java.util.*;
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class AAA {
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void usage() {
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Set<String> s1 = new HashSet<>();
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Set<String> s2 = new HashSet<>();
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if (s1.add("foo")) {
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s2.add("foo");
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}
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}
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} |