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lang3

org.apache.commons.lang3.BooleanUtils

{//判断true或false Boolean aBoolean = new Boolean(true); System.out.println(BooleanUtils.isTrue(aBoolean)); System.out.println(BooleanUtils.isFalse(aBool ......
BooleanUtils commons apache lang3 lang

Commons.lang3工具类

数组转字符串 @Test public void testString() { List<String> list = new ArrayList<>(Arrays.asList("1","2","3")); System.out.println(StringUtils.join(list, "," ......
Commons 工具 lang3 lang
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