skip(Pattern pattern)
The
skip(Pattern pattern) method of
java.util.Scanner class skips input that matches the specified pattern, ignoring the delimiters. The function skips the input if an anchored match of the specified pattern succeeds it.
Syntax:
public Scanner skip(Pattern pattern)
Parameters: The function accepts a mandatory parameter
pattern which specifies a string as pattern to be skipped.
Return Value: The function returns this scanner
Exceptions: This method throws following exceptions:
- NoSuchElementException: when the specified pattern is not found
- IllegalStateException: when this scanner is closed
Below programs illustrate the above function:
Program 1:
Output:
String trying to get input:
GeeksForGeeks - A Computer Science Portal for Geeks
Skipping 5 letter words that ends with 'eks'
Input Scanner String:
ForGeeks - A Computer Science Portal for Geeks
Program 2: To demonstrate NoSuchElementException
Output:
String trying to get input:
GeeksForGeeks - A Computer Science Portal for Geeks
Skipping 3 letter words and
Exception thrown: java.util.NoSuchElementException
Program 3: To demonstrate IllegalStateException
Output:
String trying to get input:
GeeksForGeeks - A Computer Science Portal for Geeks
Scanner Closed
Trying to Skip 3 letter words and
Exception thrown: java.lang.IllegalStateException: Scanner closed
skip(String pattern)
The
skip(String pattern) method of
java.util.Scanner class skips the input that matches with the pattern constructed from the specified string. The skip(pattern) and skip(Pattern.compile(pattern)) behaves exactly the same way on being called.
Syntax:
public Scanner skip(String pattern)
Parameters: The function accepts a mandatory parameter string
pattern which specifies a string denoting the pattern to skip over
Return Value: The function returns this scanner
Exceptions: This method throws
IllegalStateException when this scanner is closed
Below programs illustrate the above function:
Program 1:
Output:
String trying to get input:
GeeksForGeeks - A Computer Science Portal for Geeks
Skipping 5 letter words that ends with 'eks'
Input Scanner String:
ForGeeks - A Computer Science Portal for Geeks
Program 2: To demonstrate IllegalStateException
