The payoff matrix in the figure attached represents the interaction between two software engineers who are working together to write code as part of a project. The numbers represent the pay in thousands of dollars for completion of the project. Based on this information, which of the following is true?

Payoff matrix

Question $1$ options:

The dominant strategy for Astrid is Java.

There are two Nash equilibria: $($Java$,$ Java$)$ and $($C$++,$ C$++).$

The Nash equilibria are defined by dominant strategies.

Both players are better off with $($C$++,$ C$++)$ as the outcome.