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28 lines
563 B
Java
28 lines
563 B
Java
import java.util.Arrays;
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import java.util.Objects;
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class I {
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public int hashCode() {
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return 0;
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}
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public boolean equals(Object o) {
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return o == this;
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}
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}
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class A extends I {
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int[] a1;
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@Override
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public boolean equals(Object o) {
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if (o == null || getClass() != o.getClass()) return false;
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if (!super.equals(o)) return false;
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final A a = (A) o;
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return Objects.deepEquals(a1, a.a1);
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}
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@Override
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public int hashCode() {
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return Objects.hash(super.hashCode(), Arrays.hashCode(a1));
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}
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} |