What is a parameter in C#?

Parameters act as variables inside the method . They are specified after the method name, inside the parentheses. You can add as many parameters as you want, just separate them with a comma. The following example has a method that takes a string called fname as parameter.

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What are predefined in Java?

In Java, predefined methods are the method that is already defined in the Java class libraries is known as predefined methods. It is also known as the standard library method or built-in method. We can directly use these methods just by calling them in the program at any point.

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