In Pictures: 15 things we hate about Java

Slow startup times, null pointers, security flaws -- Java's ongoing success leaves plenty to complain about

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Object creation overhead Tossing everything into an object seems like a clean way to program until you realize just how slow it can be to create a Java object. Everyone who really tries to re-engineer code to speed it up begins by tossing aside the object-oriented model as much as possible. Object creation is relatively expensive, and it’s a big reason why some Java code runs so slowly.

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In Pictures: 15 things we hate about Java

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