Llamar por valor y llamada por referencia en Java
Call By Value: In this parameter passing method, values of actual parameters
are copied to function’s formal parameters and the two types
of parameters are stored in different memory locations.
So any changes made inside functions are not reflected in actual
parameters of the caller.
Call by Reference: Both the actual and formal parameters refer to the
same locations, so any changes made inside the function are actually
reflected in actual parameters of the caller.
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