java Programming Glossary: hasnext

Can one do a for each loop in java in reverse order?

http://stackoverflow.com/questions/1098117/can-one-do-a-for-each-loop-in-java-in-reverse-order

original.size return new Iterator T public boolean hasNext return i.hasPrevious public T next return i.previous public..

Java Joda Time - Implement a Date range iterator

http://stackoverflow.com/questions/1174899/java-joda-time-implement-a-date-range-iterator

end this.current start this.end end public boolean hasNext return current null public LocalDate next if current null..

How do I keep a scanner from throwing exceptions when the wrong type is entered? (java)

http://stackoverflow.com/questions/2496239/how-do-i-keep-a-scanner-from-throwing-exceptions-when-the-wrong-type-is-entered

share improve this question You can use one of the many hasNext methods that Scanner has for pre validation. if in.hasNextInt.. hasNext methods that Scanner has for pre validation. if in.hasNextInt int a in.nextInt System.out.println a else System.out.println.. match before you read it. java.util.Scanner API boolean hasNextInt Returns true if the next token in this scanner's input can..

Validating input using java.util.Scanner

http://stackoverflow.com/questions/3059333/validating-input-using-java-util-scanner

share improve this question Overview of Scanner.hasNextXXX methods java.util.Scanner has many hasNextXXX methods that.. of Scanner.hasNextXXX methods java.util.Scanner has many hasNextXXX methods that can be used to validate input. Here's a brief.. to validate input. Here's a brief overview of all of them hasNext does it have any token at all hasNextLine does it have another..

Best way to iterate over two lists simultaneously?

http://stackoverflow.com/questions/3137944/best-way-to-iterate-over-two-lists-simultaneously

MobileSuit Pilot implements Iterator public boolean hasNext return iteratinMechas.hasNext iteratinPeople.hasNext public.. Iterator public boolean hasNext return iteratinMechas.hasNext iteratinPeople.hasNext public void remove iteratinMechas.remove.. hasNext return iteratinMechas.hasNext iteratinPeople.hasNext public void remove iteratinMechas.remove iteratinPeople.remove..

Iterating over Java collections in Scala

http://stackoverflow.com/questions/495741/iterating-over-java-collections-in-scala

a Java collection in Scala without using the verbose while hasNext getNext style of loop Here's the code I wrote based on the correct.. java.util.Iterator A def foreach f A Unit Unit while iter.hasNext f iter.next object SpreadsheetParser extends Application implicit..

Iterators in C++ (stl) vs Java, is there a conceptual difference?

http://stackoverflow.com/questions/56347/iterators-in-c-stl-vs-java-is-there-a-conceptual-difference

Iterator is an interface to a container having methods hasNext next and remove . The presence of hasNext means it has the concept.. having methods hasNext next and remove . The presence of hasNext means it has the concept of a limit for the container being.. an Iterator Iterator String iter trees.iterator while iter.hasNext System.out.println iter.next In the C standard template library..

Is there an equivalent to the Scanner class in C# for strings?

http://stackoverflow.com/questions/722270/is-there-an-equivalent-to-the-scanner-class-in-c-sharp-for-strings

a string and then I can do handy things like scanner.hasNext or scanner.nextInt scanner.nextDouble etc. This allows some.. Java I would pass that to a scanner and do a while scanner.hasNext myArray i scanner.nextInt Or something very similar. What is.. currentWord sb.ToString else currentWord null public bool hasNextInt if currentWord null return false int dummy return int.TryParse..

java.util.ConcurrentModificationException

http://stackoverflow.com/questions/8189466/java-util-concurrentmodificationexception

the stacktrace . But we will reach the next method only if hasNext delivered true which is what is called by the for each to check.. check if the boundary is met. In your remove method when hasNext checks if it needs to return another element it will see that.. to the second loop. After we remove the second number the hasNext method will check again if can return more values. It has returned..

Java ResultSet how to check if there are any results

http://stackoverflow.com/questions/867194/java-resultset-how-to-check-if-there-are-any-results

if there are any results Resultset has no method for hasNext. I want to check if the resultSet has any value is this the..

What are the benefits of the Iterator interface in Java?

http://stackoverflow.com/questions/89891/what-are-the-benefits-of-the-iterator-interface-in-java

as a list. Why is this interface used Why are the methods hasNext next and remove not directly coded to the data structure implementation..

Difference between Java Enumeration and Iterator

http://stackoverflow.com/questions/948194/difference-between-java-enumeration-and-iterator

side comparison Enumeration Iterator hasMoreElement hasNext nextElement next N A remove As also mentioned in the Java..