A range is a very handy feature of programing languages like Python.<\/p>\n
<\/p>\n
package com.tutego;
import static com.tutego.Range.range;
public class RangeDemo
{
public static void main( String[] args )
{
for ( int i : range( 10 ) )
System.out.print( i + \" \" );
System.out.println();
for ( int i : range( 5, 10 ) )
System.out.print( i + \" \" );
System.out.println();
for ( int i : range( 0, 10, 3 ) )
System.out.print( i + \" \" );
System.out.println();
for ( int i : range( '0', '9' ) )
System.out.print( (char) i );
System.out.println();
String[] a = { \"Mary\", \"had\", \"a\", \"little\", \"lamb\" };
for ( int i : range(a.length ) )
System.out.printf( \"%d %s%n\", i, a[i] );
}
}
<\/pre>\nAnd the main class
Range<\/code> <\/p>\n\/*
* This project is made available under the terms of the BSD license, more information can be found at
* http:\/\/www.opensource.org\/licenses\/bsd-license.html
*
* Copyright (c) 2007. Christian Ullenboom (http:\/\/www.tutego.com\/) and contributors. All rights reserved.
*\/
package com.tutego;
import java.util.Iterator;
\/**
* Class that generates immutable sequences (ranges) as Iterable<Integer>
* objects. A range represents a start (0 if not given), an stop (mandatory) and
* an optional step (1 by default). The start value is included in the range,
* the stop value is exclusive. Every range is handled by an Iterable<Integer>
* which can by used in an extended for loop.
*
* <pre>
* for ( int i : range( 0, 10, 3 ) )
* System.out.print( i + \" \" ); \/\/ 0 3 6 9
* <\/pre>
*
* @author Christian Ullenboom (tutego)
* @version 1.0
*\/
public class Range
{
public static Iterable<Integer> range( final int start, final int stop, final int step )
{
if ( step <= 0 )
throw new IllegalArgumentException( \"step > 0 isrequired!\" );
return new Iterable<Integer>()
{
public Iterator<Integer> iterator()
{
return new Iterator<Integer>()
{
private int counter = start;
public boolean hasNext()
{
return counter < stop;
}
public Integer next()
{
try
{
return counter;
}
finally { counter += step; }
}
public void remove() { }
};
}
};
}
public static Iterable<Integer> range( final int start, final int stop )
{
return range( start, stop, 1 );
}
public static Iterable<Integer> range( final int stop )
{
return range( 0, stop, 1 );
}
}
<\/pre>\n","protected":false},"excerpt":{"rendered":"A range is a very handy feature of programing languages like Python. range( 10 ) -> 0 1 2 3 4 5 6 7 8 9 range( 5, 10 ) -> 5 6 7 8 9 range( 0, 10, 3 ) -> 0 3 6 9 range( ‚0‘, ‚9‘ ) -> 012345678 package com.tutego;import […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_jetpack_memberships_contains_paid_content":false,"footnotes":"","_links_to":"","_links_to_target":""},"categories":[1],"tags":[],"class_list":["post-68","post","type-post","status-publish","format-standard","hentry","category-allgemein"],"jetpack_featured_media_url":"","jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/www.tutego.de\/blog\/javainsel\/wp-json\/wp\/v2\/posts\/68","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.tutego.de\/blog\/javainsel\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.tutego.de\/blog\/javainsel\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.tutego.de\/blog\/javainsel\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.tutego.de\/blog\/javainsel\/wp-json\/wp\/v2\/comments?post=68"}],"version-history":[{"count":0,"href":"https:\/\/www.tutego.de\/blog\/javainsel\/wp-json\/wp\/v2\/posts\/68\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.tutego.de\/blog\/javainsel\/wp-json\/wp\/v2\/media?parent=68"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.tutego.de\/blog\/javainsel\/wp-json\/wp\/v2\/categories?post=68"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.tutego.de\/blog\/javainsel\/wp-json\/wp\/v2\/tags?post=68"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}