举个例子:public boolean panDuan(ArrayList<String> list,String ss){for(String m:list){if(m.equa...
android中往字符串数组动态添加元素 当确定数组长度时: boolean[] array =newboolean[array_1.length];for(inti = 0; i < array_1.length; i++) { array[i]=false; } 不确定数组长度,可以通过arrayList动态添加,然后转换成数组: (String[]) arrayList.toArray(String[] arrayName); 或者: 备注:此方法...
import java.util.Arrays;import java.util.HashSet;=== String data[]={ "a","a","b","b","b","c","c"};HashSet<String> set=new HashSet<String>(Arrays.asList(data));set.add("a");//动态添加 for(String s:set) System.out.println(s);=== 输出 b c a === ...