Difference between revisions of "Iterable Immutable List Assignment"
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=Example= | =Example= | ||
− | {{Example| | + | {{Example|Mary Berry|immutable.list.example}} |
The code: | The code: | ||
<nowiki>ImmutableList<Integer> numbers = Lists.brackets(4, 66, 99); | <nowiki>ImmutableList<Integer> numbers = Lists.brackets(4, 66, 99); | ||
− | for ( | + | for (Integer i : numbers) { |
System.out.println(i); | System.out.println(i); | ||
}</nowiki> | }</nowiki> |
Revision as of 16:51, 24 April 2020
Contents
Studio To Revisit
In this studio we will complete the DefaultImmutableList
implementation from the ImmutableList studio.
ImmutableList
The ImmutableList interface extends Iterable which has one method: iterator().
public interface ImmutableList<E> extends Iterable<E> { E head(); ImmutableList<E> tail(); boolean isEmpty(); }
Iterable
interface java.lang.Iterable<T>
Iterator
interface java.util.Iterator<T>
Code To Implement
DefaultImmutableList
class: | DefaultImmutableList.java | |
methods: | iterator | |
package: | immutable.list.assignment | |
source folder: | src/main/java |
iterator
public Iterator<E> iterator()
Example
class: | Mary Berry.java | |
package: | immutable.list.example | |
source folder: | src/main/java |
The code:
ImmutableList<Integer> numbers = Lists.brackets(4, 66, 99); for (Integer i : numbers) { System.out.println(i); }
produces:
4 66 99
Test
class: | IterableAssignmentTestSuite.java | |
package: | immutable.list.assignment | |
source folder: | src/test/java |