Apart from using Scanner, we need to use also one of the methods of Integer class. There are two ways you can do this: If you only need to work with the java.util.Scanner class, you can import the Scanner class directly. There is two different types of Java nextInt() method which can be differentiated depending on its parameter. The nextLine() method of the Scanner class takes the String input from the user. You would get the same results if you used one scanner and called it … It breaks an input into the tokens using delimiter regular expression (whitespace by default Character # isWhitespace (char)).. Tokens can be converted into primitives (double, float, long, int, byte, short, boolean), number objects (BigDecimal, BigInteger) and String. If the parameter radix is not passed, then it behaves similarly as nextInt(radix) where the radix is assumed to be the default radix. The exact format is unspecified. If the translation is successful, the scanner advances past the input that matched. In this tutorial, we will learn about the Java Scanner and its methods with the help of examples. In order to work with the Scanner class, you must first import it into your code. e.g. It comes with various methods to take different types of input from users like int, float, double, long, String, etc. The nextInt() method of Java Scanner class is used to scan the next token of the input as an int. Gib einfach mal 12 abc gemeinsam ein, dann wird Dir 12 als Zahl und sofort abc ausgegeben. Therefore, you should scan the input as a string then if the user entered = sign, the loop ends and it gives back the result. If you haven't, do not bother. The Scanner class of the java.util package is used to read input data from different sources like input streams, users, files, etc. nextLine liest bis zum nächsten Zeilenende. Here by writing Scanner s, we are declaring s as an object of Scanner class.System.in within the round brackets tells Java that this will be System Input i.e. If you have understood all that has been stated till now, it's a good thing. The java.util.Scanner.toString() method returns the string representation of this Scanner. 1. input will be given to the system.. If you want to read multiple words, the simplest solution is to read a line of text. Improve this question. The nextInt(radix) method of java.util.Scanner class scans the next token of the input as a Int. next() wartet auf die Eingabe eines Strings parseInt(String strVal) – is used primarily in parsing a String method argument into an Integer object; Java String to Integer Conversion. ; If you are working with other modules in the java.util library, you may want to import the full library. This sample source code demonstrates a practical example on the usage of parseInt static method of Integer class. The Scanner class is a part of the java.util package in Java. The string representation of a Scanner contains information that may be useful for debugging. ; The following is the code for each of the above … java string int java.util.scanner  Share. Java Scanner nextInt() Method. 1. Then, you can also use the feature that is given to us by the Integer class which allows us to parse integer from a string and use them as regular numbers. As a general comment you don't need three scanners. Da Du zur Eingabe der Zahl mit Return bestätigen musst liest nextInt() die Zahl und nextLine() nur bis Zeilenumbruch nach der Zahl - also nichts. This is what next(); is intended to do. Java Scanner is a simple text parser, it can parse a file, input stream or string into primitive and string tokens using regexp.. 23 1 1 gold badge 1 1 silver badge 3 3 bronze badges. Follow asked Aug 29 '12 at 23:07. iSully iSully. To use this method we need to import the java.util.Scanner class in our code.