Commit 08c0453

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Add groupBy and sortBy examples

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app/src/main
- java/com/annimon/java8streamexample
  - MainActivity.java
- res/values
  - strings.xml

+13

-0

lines changed

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Original file line number	Diff line number	Diff line change
`@@ -132,6 +132,15 @@ private void action(String action) {`
`132`	`132`	`.limit(5))`
`133`	`133`	`.map(w -> new Word(String.valueOf(w.getWord().charAt(0)), w.getWord()));`
`134`	`134`	`break;`
	`135`	`+ case "group by":`
	`136`	`+ stream = stream.groupBy(w -> w.getWord().charAt(0))`
	`137`	`+ .flatMap(entry -> Stream.of(entry.getValue())`
	`138`	`+ .map(w -> new Word(String.valueOf(entry.getKey()), w.getWord())))`
	`139`	`+ .sortBy(Word::getWord);`
	`140`	`+ break;`
	`141`	`+ case "sort by":`
	`142`	`+ stream = stream.sortBy(Word::getTranslate);`
	`143`	`+ break;`
`135`	`144`	`case "random":`
`136`	`145`	`final Random rnd = new Random();`
`137`	`146`	`stream = Stream.ofRange(0, 10000)`

Lines changed: 4 additions & 0 deletions

Original file line number	Diff line number	Diff line change
`@@ -19,6 +19,8 @@`
`19`	`19`	`<item>Skip first N rows</item>`
`20`	`20`	`<item>Limit N rows</item>`
`21`	`21`	`<item>Group by first character</item>`
	`22`	`+ <item>Group by first character 2</item>`
	`23`	`+ <item>Sort by translate</item>`
`22`	`24`	`<item>10000 Random ints</item>`
`23`	`25`	`</string-array>`
`24`	`26`
`@@ -33,6 +35,8 @@`
`33`	`35`	`<item>skip %N</item>`
`34`	`36`	`<item>limit %N</item>`
`35`	`37`	`<item>group</item>`
	`38`	`+ <item>group by</item>`
	`39`	`+ <item>sort by</item>`
`36`	`40`	`<item>random</item>`
`37`	`41`	`</string-array>`
`38`	`42`

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