Example
The following Java code demonstrates the basic structure of a quine.
public class Quine { public static void main( String args ) { char q = 34; // Quotation mark character String l = { // Array of source code "public class Quine", "{", " public static void main( String args )", " {", " char q = 34; // Quotation mark character", " String l = { // Array of source code", " ", " };", " for( int i = 0; i < 6; i++ ) // Print opening code", " System.out.println( l );", " for( int i = 0; i < l.length; i++ ) // Print string array", " System.out.println( l + q + l + q + ',' );", " for( int i = 7; i < l.length; i++ ) // Print this code", " System.out.println( l );", " }", "}", }; for( int i = 0; i < 6; i++ ) // Print opening code System.out.println( l ); for( int i = 0; i < l.length; i++ ) // Print string array System.out.println( l + q + l + q + ',' ); for( int i = 7; i < l.length; i++ ) // Print this code System.out.println( l ); } }The source code contains a string array of itself, which is output twice, once inside quotation marks.
Read more about this topic: Quine (computing)
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