IT Services Circle
Dec 26, 2024 · Fundamentals
Understanding the JDK Bug in Arrays.asList().toArray() and Its Fix in JDK 9
This article explains a long‑standing JDK bug where Arrays.asList().toArray() returns an Object[] that causes ArrayStoreException when modified, analyzes the underlying implementation differences between java.util.ArrayList and Arrays$ArrayList, and describes how the issue was finally fixed in JDK 9.
ArrayStoreExceptionArrays.asListJDK
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