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In Java, a wildcard is a special syntax that allows you to specify a type parameter as "unknown" or "unspecified". It is denoted by the question mark...
Java is a widely-used programming language that allows developers to write efficient and reliable code. One of the most powerful features of Java is...
What is Java ? Java is a high-level programing language which is used in for doing multiple tasks like app development ,software development and so...
