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21 lines
399 B
21 lines
399 B
package w7;
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public class Pair<K,V> {
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private K key;
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private V value;
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public Pair(K key,V value){
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this.key=key;
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this.value=value;
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}
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public K getKey(){
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return key;
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}
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public V getValue(){
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return value;
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}
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public static <K, V> Pair<V, K> swap(Pair<K, V> pair) {
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return new Pair<>(pair.getValue(), pair.getKey());
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}
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}
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