This account of how a frightened Arab prisoner was treated while the newly reborn State of Israel was fighting for its life tells you all you need to know about the differences between how Jews treat their enemies and how Arabs treat theirs, no matter what the circumstances.
From the Palestine Post, May 17, 1948:
The article immediately beneath this one says that rabbis told their religious followers in Jerusalem to dig foxholes and fill in sandbags on the Sabbath immediately after the State of Israel was declared, which they did – in their Sabbath clothes.