What does input hasNext do in Java?
What does input hasNext do in Java?
The hasNext() is a method of Java Scanner class which returns true if this scanner has another token in its input.
What does the scanner class hasNext method return when the end of the file has been reached?
What does the Scanner Class’s hasNext method return when the end of the file has been reached? If the method returns true, then the file has more data to read. The loop repeats until the hasNext method returns false. The logic of reading a file is until the end of the file is reached.
Which scanner method returns an input as an integer?
nextInt(); String string = in. nextLine();…
| Method | Returns |
|---|---|
| int nextInt() | Returns the next token as an int. If the next token is not an integer, InputMismatchException is thrown. |
| long nextLong() | Returns the next token as a long. If the next token is not an integer, InputMismatchException is thrown. |
What is scan hasNext return?
hasNext() method Returns true if this scanner has another token in its input. This method may block while waiting for input to scan. The scanner does not advance past any input.
What is the difference between hasNext and next method in Java?
hasNext() – Returns true if the iteration has more elements. next() – Returns the next element in the iteration.
What does hasNext () method return?
The hasNext() method checks if the Scanner has another token in its input. A Scanner breaks its input into tokens using a delimiter pattern, which matches whitespace by default. That is, hasNext() checks the input and returns true if it has another non-whitespace character.
What is the Scanner class?
The Scanner class is used to get user input, and it is found in the java. util package.
Which is not a Scanner class method?
nextInt() Scanner class method is used to read integer value from the user. next() and nextLine() both methods can be used to read string from the user. nextSentence() is not used to scanner class. So, (d) nextSentence() is the correct answer.
What are the methods in scanner class?
Scanner Class Methods
| Method | Description |
|---|---|
| nextInt() | Reads an int value from the user |
| nextLine() | Reads a String value from the user |
| nextLong() | Reads a long value from the user |
| nextShort() | Reads a short value from the user |
What is the scanner class in Java?
The Scanner class is used to get user input, and it is found in the java. util package. To use the Scanner class, create an object of the class and use any of the available methods found in the Scanner class documentation.
