Generic ThreadLocal variables.

ThreadLocal is a generic class which helps eliminates the need of typecasting the value being returned by the get() method.

The below code shows the way to create a generic ThreadLocal variable.

private ThreadLocal<String> thrLocalVarValue = new ThreadLocal<String>();

Creating a generic ThreadLocal variable ensures type safety thus set() method accepts only String and get() method returns only String Object eliminating the need of manual typecasting.

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