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Java Input Statement and String Data Type

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Java Input Statement and String Data Type

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Questions and Answers

What is the purpose of the Scanner class in Java?

To create graphical user interfaces

To handle input from the keyboard (correct)

To perform mathematical calculations

To print output to the console

Which method of the Scanner class is used to input a string (word)?

next() (correct)

nextDouble()

nextLine()

nextInt()

What data type does the 'nextBoolean()' method of the Scanner class return?

Double

Boolean (correct)

String

Integer

In the given Java program, what does 'x = input.nextInt();' do?

<p>It reads an integer input from the keyboard and stores it in variable x</p> Signup and view all the answers

What is the purpose of the line 'System.out.printf( "The Resul is = " + sum );' in the given Java program?

<p>To print the sum of two numbers with a message to the console</p> Signup and view all the answers

Java Input Statement and String Data Type

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Podcast

Questions and Answers

What is the purpose of the Scanner class in Java?

Which method of the Scanner class is used to input a string (word)?

What data type does the 'nextBoolean()' method of the Scanner class return?

In the given Java program, what does 'x = input.nextInt();' do?

What is the purpose of the line 'System.out.printf( "The Resul is = " + sum );' in the given Java program?

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