1. The append() method concatenates the string representation of any other type of data to the end of the invoking StringBuffer object. It has several overloaded versions. Here are a few of its forms: StringBuffer append(String str) StringBuffer append(int num) StringBuffer append(Object obj) 2. The result is appended to the current StringBuffer object. 3. The buffer itself is returned by each version of append( ). 4. This allows subsequent calls to be chained together, write java code for it

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Linux

An operating system (OS) is the software which manages hardware and resources, like CPU, storage and memory. The OS bridges the applications and hardware and makes the connections between all of your software and the hardware resources.