Java Strings Evaluation

1. String Declaration and Initialization

Explain how to declare and initialize a String in Java. Provide an example of declaring a String variable and initializing it with a value.

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2. String Concatenation

Describe how to concatenate two Strings in Java. Provide an example that concatenates two String variables.

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3. String Methods

Explain some common String methods in Java, such as length(), substring(), and toUpperCase(). Provide examples of how these methods are used.

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