Client Server Socket example in Java. Client example reading the input from the console. Simple echo server example.

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How to convert Char to String in Java using String.valueOf and Character.toString method.

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How to convert Char Array to String in Java. Two simple examples: using String constructor or static valueOf method

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In Java, autoboxing is the automatic conversion between the primitive types and their corresponding object wrapper classes. Unboxing is the other way around.

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How to parse CSV file in Java and display all the value.The solution treats the case when a column contains the delimiter and the double quote character.

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Luhn algorithm implementation in Java with example for both calculate the check digit and validate the number.

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