hasNext(Pattern p): If the next token matches the mentioned pattern p, true will be returned.findWithinHorizon(String p, int horizon): Tries to identify the next occurrence of the mentioned pattern made from the string p, ignoring delimiters.hasNext(): If the scanner has another token in the input, true will be returned.findWithinHorizon(Pattern p, int horizon): Tries to identify the mentioned pattern’s next occurrence.delimiter(): Pattern that is currently used by the scanner to match delimiters will be returned.findInLine(String p): The next occurrence of the pattern that is made from the string will be attempted to find out, ignoring the delimiters.findInLine(Pattern p): Next occurrence of the mentioned pattern p will be attempted to find out, ignoring the delimiters.close(): Scanner gets closed on calling this method.Scanner(String src): A new scanner will be constructed that generates value from the mentioned string.įollowing are the methods that perform different functionalities.Scanner(ReadableByteChannel src, String charsetName): A new scanner will be constructed that generates value from the mentioned channel.Scanner(ReadableByteChannel src): A new scanner will be constructed that generates value from the mentioned channel.Scanner(Readable src): A new scanner will be constructed that generates value from the mentioned source.Scanner(Path src, String charsetName): A new scanner will be constructed that generates value from the mentioned file.Scanner(Path src): A new scanner will be constructed that generates value from the mentioned file.Scanner(InputStream src, String charsetName): A new scanner will be constructed that generates value from the mentioned input stream.Scanner(InputStream src): A new scanner will be constructed that generates value from the mentioned input stream.Scanner(File src, String charsetName): A new scanner will be constructed that generates value scanned from the mentioned file.Scanner(File src): A new scanner will be constructed that generates value from the mentioned file.The scanner class in Java has different constructors. Perform the operations on the input based on the requirement.Create scanner object as shown in the syntax.Import the class or the whole package java.util.
Now, let us see how the Scanner class works. Here, sc is the scanner object and System.in tells Java that the input will be this. Scanner class can be used in the below syntax in Java programs. Public final class Scanner extends Object implements Iterator Java Scanner class is declared as shown below.
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