Definition of Quatrain. A quatrain is a stanza in a poem that has exactly four lines. Some quatrains comprise entire poems, while others are part of a larger structure. Quatrains usually use some form of rhyme scheme, especially the following forms: AAAA, AABB, ABAB, and ABBA.
This section contains the types of variable in java. In Java all variable must be declared before it will be used anywhere in the program. The declaration syntax is as follows : type identifier [ = value][, identifier [= value] ...] ; Here 'type' is data type and 'identifier' is the variable name. Java have following types of variable : Local variables.
Java String provides a lot of concepts that can be performed on a string such as compare, concat, equals, split, length, replace, compareTo, intern, substring etc. In java, string is basically an object that represents sequence of char values.An array of characters works same as java string.For example: is same as: The java.lang.String class implements Serializable, Comparable and CharSequence interfaces.n java, string is basically an object that represents sequence of char values. An array of characters works same as java string. For example: is same as: The java.lang.String class implements Serializable, Comparable and CharSequence interfaces.