Copying objects is a common Java programming operation that has one serious trap. Here's how to avoid copying from an object reference and only copy the instance and values you want.

String s1 = new String("Hello world!"); That code will create an s1 string object and a reference variable. As noted, Java strings are immutable. Once created, a string using string class cannot be ...

Within the deposit thread’s critical code section, that thread assigns the Deposit String object’s reference to shared variable transName and assigns 2000.0 to shared variable amount.