Clear up warnings
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@ -15,18 +15,18 @@ public class Pair<T1, T2> {
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this.v2 = v2;
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}
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public T1 first(){
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public T1 first() {
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return v1;
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}
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public T2 second(){
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public T2 second() {
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return v2;
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}
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public boolean equals(Object o) {
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return o instanceof Pair &&
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equal(((Pair) o).first(), first()) &&
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equal(((Pair) o).second(), second());
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equal(((Pair<?, ?>) o).first(), first()) &&
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equal(((Pair<?, ?>) o).second(), second());
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}
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public int hashCode() {
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