To check if a given String contains only unicode letters, digits or space, we use the isLetterOrDigit() and charAt() methods with decision making statements.The isLetterOrDigit(char ch) method determines whether the specific character (Unicode ch) is either a letter or a digit. It returns a boolean value, either true or false.Declaration ... Read More

To implement animation on min-width property with CSS, you can try to run the following codeExampleLive Demo                    div {             overflow: auto;             width: 50%;         ... Read More

To implement animation on min-height property with CSS, you can try to run the following codeExampleLive Demo                    div {             overflow: auto;             width: 350px;         ... Read More

The LinkedList class extends AbstractSequentialList and implements the List interface. It provides a linked-list data structure.Following are the constructors supported by the LinkedList class.Sr.No.Constructor & Description1LinkedList( )This constructor builds an empty linked list.2LinkedList(Collection c)This constructor builds a linked list that is initialized with the elements of the collection c.Apart from ... Read More

In order to copy elements of ArrayList to Java Vector, we use the Collections.copy() method. It is used to copy all elements of a collection into another.Declaration −The java.util.Collections.copy() method is declared as follows −public static void copy(List

In order to compute minimum element of ArrayList with Java Collections, we use the Collections.min() method. The java.util.Collections.min() returns the minimum element of the given collection. All elements must be mutually comparable and implement the comparable interface. They shouldn’t throw a ClassCastException.Declaration −The Collections.min() method is declared as follows −public ... Read More

In order to replace all elements of ArrayList with Java Collections, we use the Collections.fill() method. The static void fill(List list, Object element) method replaces all elements in the list with the specified element in the argument.Declaration −The java.util.Collections.fill() method is declared as follows −public static void fill(ListRead More

In order to swap elements of ArrayList with Java collections, we need to use the Collections.swap() method. It swaps the elements at the specified positions in the list.Declaration −The java.util.Collections.swap() method is declared as follows −public static void swap(List list, int i, int j)where i is the index of ... Read More

To count occurence of vowels in a string again use Map utility of java as used in calculating occurence of each character in string.Put each vowel as key in Map and put initial value as 1 for each key.Now compare each character with key of map if a character matches ... Read More

In Java there is no delegate library or API in order to write or read comma separated value(csv) file.So a 3rd party APIs are available for such requirements.Most popular 3rd party API is OpenCSV which is provide methods to deal with CSV file such as read csv file, write csv ... Read More