List<String> test = new ArrayList<String>(); test.add("a"); test.add("b"); test.add("c"); System.out.println(test.contains("a"));
原创文章,作者:奋斗,如若转载,请注明出处:https://blog.ytso.com/19502.html
-->
List<String> test = new ArrayList<String>(); test.add("a"); test.add("b"); test.add("c"); System.out.println(test.contains("a"));
原创文章,作者:奋斗,如若转载,请注明出处:https://blog.ytso.com/19502.html