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lang-java
Stringshould have been a primitive type in Java. Unlike other types, the compiler needs to know aboutString; further, operations on it will be sufficiently common that for many kinds of application they may pose a performance bottleneck (which could be eased by native support). A typicalstring[lowercase] would have an object allocated on the heap to hold its contents, but no "normal" reference to that object would exist anywhere; it could thus be a single-indirectedChar[]orByte[]rather than having to be aChar[]indirected through another object.