public class Pair<K,V>{ private K key; private V value; public Pair(K key,V value){ this.key=key; this.value=value; } public K getkey(){ return this.key; } public V getvalue(){ return this.value; } public static void main(String[] args){ Pair<Integer,String> p1=new Pair<>(123,"qaz"); System.out.println(p1.getkey()+" "+p1.getvalue()); Pair<String,String> p2=new Pair<>("abc","qaz"); System.out.println(p2.getkey()+" "+p2.getvalue()); } }
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