Asked by: Jamil Sakib
technology and computing programming languages

How does hasNextInt work in Java?

Last Updated: 11th May, 2020

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The hasNextInt() method of java. util. Scanner class returns true if the next token in this scanner's input can be assumed as a Int value of the given radix. The scanner does not advance past any input.

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Thereof, how do I use hasNextInt in Java?

hasNextInt(int radix) Method: This is an inbuilt method of Java Scanner class which is used to check if the next token in this scanner's input can be interpreted as an int value or not in the specified radix using the nextInt() method.

Also, what value does hasNextInt () return if a scanner has reached the end of a file? The hasNextInt() method returns true if the next set of characters in the input stream can be read in as an int . If they can't be read as an int , or they are too big for an int or if the end of the file has been reached, then it returns false.

Similarly, you may ask, what does .next do in Java?

Scanner. next() method finds and returns the next complete token from this scanner. A complete token is preceded and followed by input that matches the delimiter pattern. This method may block while waiting for input to scan, even if a previous invocation of hasNext() returned true.

What is scanner hasNext ()?

The hasNext() is a method of Java Scanner class which returns true if this scanner has another token in its input. There are three different types of Java Scanner hasNext() method which can be differentiated depending on its parameter.

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What is nextInt () in Java?

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