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add StrJoiner

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Looly
2021-06-17 20:41:01 +08:00
parent 757bfdc723
commit 40a14e1508
6 changed files with 268 additions and 20 deletions
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7
hutool-core/src/test/java/cn/hutool/core/collection/IterUtilTest.java
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@@ -37,6 +37,13 @@ public class IterUtilTest {
Assert.assertEquals("\"1\":\"2\":\"3\":\"4\"", join2);
}
@Test
public void joinWithFuncTest() {
ArrayList<String> list = CollUtil.newArrayList("1", "2", "3", "4");
String join = IterUtil.join(list.iterator(), ":", String::valueOf);
Assert.assertEquals("1:2:3:4", join);
}
@Test
public void testToListMap() {
Map<String, List<String>> expectedMap = new HashMap<>();