What is class in a Java?

A class — in the context of Java — is a template used to create objects and to define object data types and methods . Classes are categories, and objects are items within each category. All class objects should have the basic class properties.

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How do you write a method signature?

Java. In Java, a method signature is composed of a name and the number, type and order of its parameters . Return types and thrown exceptions are not considered to be a part of the method signature, nor are the names of parameters; they are ignored by the compiler for checking method uniqueness.

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