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23 lines
500 B
23 lines
500 B
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 void setKey(K key){
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this.key=key;
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}
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public void setValue(V value){
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this.value=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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