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Utility classes, APIs and tools for Java

There is a newer version: 0.99-alpha1

package net.sf.javagimmicks.util8;

import java.util.Objects;

class PairImpl implements Pair
{
   private final A _a;
   private final B _b;

   PairImpl(final A a, final B b)
   {
      this._a = a;
      this._b = b;
   }

   @Override
   public A getA()
   {
      return _a;
   }

   @Override
   public B getB()
   {
      return _b;
   }

   @Override
   public int hashCode()
   {
      return Objects.hash(_a, _b);
   }

   @Override
   public boolean equals(final Object obj)
   {
      if (obj == null)
      {
         return false;
      }

      if (!(obj instanceof Pair))
      {
         return false;
      }

      final Pair otherPair = (Pair) obj;

      return Objects.deepEquals(getA(), otherPair.getA()) && Objects.deepEquals(getB(), otherPair.getB());
   }

   @Override
   public String toString()
   {
      return String.format("%s / %s", _a, _b);
   }
}