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Tag: downcast

DownCasting in generics in java

I am stuck in generics downcasting. Because I learn type erasure. When code compiles all parameterized types are converted to the upper bound if the bound is not defined then it changes to object. Gen Class GenDemo Class String str = strob.getob(); is converted to String implictly. how JVM converted strob.getob() to String. From where JVM found the strob.getob() is