method swap to the Pair class of that swaps the first and second elements value of the pair in generic Pair class in java
public Pair<U,T> swap() {
return new Pair(second, first);
}method swap to the Pair class of that swaps the first and second elements value of the pair in generic Pair class in java
public Pair<U,T> swap() {
return new Pair(second, first);
}method swap to the Pair class of that swaps the first and second elements value of the pair in generic Pair class in java
public class PairDemo
{
public static void main(String[] args)
{
String[] names = { "Tom", "Diana", "Harry" };
Pair<String, Integer> result = firstContaining(names, "a");
System.out.println(result.getFirst());
System.out.println("Expected: Diana");
System.out.println(result.getSecond());
System.out.println("Expected: 1");
swap();
}
public static Pair<String, Integer> firstContaining(
String[] strings, String sub)
{
for (int i = 0; i < strings.length; i++)
{
if (strings[i].contains(sub))
{
return new Pair<String, Integer>(strings[i], i);
}
}
return new Pair<String, Integer>(null, -1);
}
}method swap to the Pair class of that swaps the first and second elements value of the pair in generic Pair class in java
public class Pair<T>
{
private T first;
private T second;
public Pair(T firstElement, T secondElement)
{
first = firstElement;
second = secondElement;
}
public T getFirst() { return first; }
public T getSecond() { return second; }
public void swap()
{
T temp = first;
first = second;
second = temp;
}
public String toString() { return "(" + first + ", " + second + ")"; }
}Copyright © 2021 Codeinu
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