Java

Type Erasure in Java

JavaGenericsErasureadvanced

Generic types exist only at compile time. At runtime both lists are the same class, which is why you cannot test for List<String>.

expected output

true
ArrayList

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Typing generics code builds muscle memory for the symbols and indentation Java uses most, which prose-based typing tests never cover. DevType measures your words per minute and accuracy on this snippet and tracks the individual characters you mistype, so later lessons can target them.

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