put multiple images on one line in LaTeX

Use "array" to create table so as to place multiple images.
An example from Google:

\begin{figure}[h]
\begin{center}$
\begin{array}{cc}
\includegraphics[width=2.5in]{image1.jpg} &
\includegraphics[width=2.5in]{image2.jpg}
\end{array}$
\end{center}
\caption{my caption}
\end{figure}

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