Java Scanner nextBoolean() Method
The nextBoolean() is a method of Java Scanner class which is used to scan the next token of the input into a boolean value and returns that value. If the translation is successful, the scanner past the input that matched.
Following is the declaration of nextBoolean() method:
This method does not accept any parameter.
The nextBoolean() method returns the boolean scanned from the input.
InputMismatchException- It will thrown this Exception if the next token is not a valid boolean.
NoSuchElementException- It will thrown this Exception if the input is exhausted.
IllegalStateException- It will thrown this Exception if the innvocation is done after Scanner is closed.
Java 1.5 and above
Are you above 18?- True You are over 18 Are you above 18?- False You are under 18
Not Found Boolean:Hello Found Boolean:true Not Found Boolean:World! Not Found Boolean:12 Found Boolean:false Not Found Boolean:15 Not Found Boolean:2.123
Would you like to play? : True Great! This will be fun. Would you like to play? : False Maybe next time