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What is the purpose of the Scanner class in Java?
What is the purpose of the Scanner class in Java?
- To read input from the user (correct)
- To manipulate strings in Java
- To perform arithmetic operations
- To handle exceptions in Java
What is the purpose of method arguments in Java?
What is the purpose of method arguments in Java?
- To return values from a method
- To pass input to a method (correct)
- To specify the access modifier of a method
- To define a method's return type
How can you get input from the user in Java?
How can you get input from the user in Java?
- Using the System.out.println() method
- Using the BufferedReader class
- Using the System.in.read() method
- Using the Scanner class (correct)
How can you pass input to a method in Java?
How can you pass input to a method in Java?
What is the benefit of using method arguments in Java?
What is the benefit of using method arguments in Java?
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Study Notes
Input and Method Arguments in Java
- The Scanner class in Java is used to get input from the user, such as reading from the keyboard, a file, or other sources.
- Method arguments in Java allow you to pass data to a method when it is called, making the method more flexible and reusable.
- To get input from the user in Java, you can use the Scanner class, which provides methods such as
nextLine()
andnextInt()
to read user input. - To pass input to a method in Java, you can use method arguments, which are variables declared in the method signature that receive the passed value when the method is called.
- The benefit of using method arguments in Java is that it allows you to write more modular and reusable code, as methods can be called multiple times with different input values, without having to rewrite the method logic.
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