Different type of Vararg rules in Java

While writing methods using variable arguments(var-args), we may confuse in different scenarios like where to put var-args in the parameters and how to place different type of arguments.Here we have given some rules with scenarios to understand easily. This will help you in the SCJP examination and as well, java interviews for freshers and experienced guys.

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Variable argument or varargs in Java

The full form of var-args is variable length arguments and this one of the java 1.5 features.Also we have some important autoboxing, generics,for-each loop, static imports and some more. This feature is introduced to solve the problem in defining methods for taking '0' to 'n' number of arguments. These arguments should be of same types.  So, by using this feature we no need to define multiple overloaded methods for executing same logic with different no.of.values of same type.

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