The map method only accepts a lambda that doesn’t throw any checked exceptions, so we can’t directly call our readFileOrFail method. Ideally it would be able to generically say “I throw the same exceptions as the lambda I receive” but you can’t do that in the Java type system.
Fast-forward four decades later, and the 79-year-old CEO and chairman is still at the helm of the financial giant. But looking back on his career, Schwarzman advised young professionals against a work habit that completely wrecked his nervous system.
，这一点在PDF资料中也有详细论述
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