//转换成数组 string[] arrString=(string[])list.ToArray(typeof(string) ) ; Method2: ArrayList list=newArrayList(); list.Add("aaa"); list.Add("bbb"); //转换成数组 string[] arrString=newstring[list.Count]; for(inti=0; i<list.Count ; i++){ arrString[i]=list[i].ToString(); }...
str = (String[])al.toArray(new String[al.size()]);
httppost.setEntity(newUrlEncodedFormEntity(data));//response retrieve "success" echoed from serverResponseHandler<String> handleResponse =newBasicResponseHandler();//converts server response to string.StringphpEchoVal=httpclient.execute(httppost, handleResponse); txtInfo.setText(phpEchoVal);StringcontainE...
Console.WriteLine( "The ArrayList contains the following values:" ); PrintIndexAndValues( myAL ); // Copies the elements of the ArrayList to a string array. String[] myArr = (String[]) myAL.ToArray( typeof( string ) ); // Displays the contents of the string array. Console.WriteLine...
}publicStudent(String name,intage) {super();this.name =name;this.age =age; }/*toSting方法*///@Override//public String toString() {//return "Student [name=" + name + ", age=" + age + "]";//}/*get、set方法*/publicString getName() {returnname; ...
我需要将我的ArrayList<Map<String, String>>对象转换为JSONArray ArrayList<Map<String, String>> dataList = new ArrayList<Map<String, String>>(); //I tried this JSONArray jsonArray = new JSONArray(dataList); // I am importing (java-json.jar) for converting ArrayList to JSONA 浏览8提问于...
public static void main(String[] args){ List list=new ArrayList();for(int i=0;i<3;i++)list.add(new Hamster(i));Printer.printAll(list.iterator());} } 结果:This is Hamster #0 This is Hamster #1 This is Hamster #2 3.一个实现toString()的通用的Bean 在作一个项目时...
在Kotlin中,我们可以使用toMutableList()函数将一个Kotlin的ArrayList转换为Java的ArrayList。示例代码如下: 代码语言:txt 复制 val kotlinList: ArrayList<String> = arrayListOf("item1", "item2", "item3") val javaList: java.util.ArrayList<String> = kotlinList.toMutableList() as java.util.ArrayList<Str...
// 将ArrayList对象转换为数组String[]array=arrayList.toArray(newString[arrayList.size()]); 1. 2. 这里使用了ArrayList对象的toArray()方法,并传入一个新创建的数组作为参数。这个新创建的数组的长度就是ArrayList的大小。toArray()方法会将ArrayList中的元素复制到新创建的数组中,并返回这个数组。
1、ArrayList 转换为 String[] : 1//ArrayList转String[]2ArrayList list =newArrayList();3list.add(“a”);4list.add(“b”);5String[] arrString = (String[])list.toArray() ; 2、String[] 转换为 ArrayList : 1String[] array =newString[] { “a”, “b” };2ArrayList list =newArrayList...