java insert into arraylist
ArrayList<Integer> str=new ArrayList<Integer>();
str.add(0);
str.add(1);
// Result = [0, 1]
str.add(1, 11);
// Result = [0, 11, 1]java insert into arraylist
ArrayList<Integer> str=new ArrayList<Integer>();
str.add(0);
str.add(1);
// Result = [0, 1]
str.add(1, 11);
// Result = [0, 11, 1]arraylist add
ArrayList<String> languages = new ArrayList<String>();
languages.add("PHP");
languages.add("JAVA");
languages.add("C#");
ArrayList<int> numbers = new ArrayList<int>();
numbers.add(9);
numbers.add(14);
numbers.add(2);how to add to an arraylist java
import java.util.ArrayList;
public class Details {
public static void main(String[] args) {
//ArrayList<String> Declaration
ArrayList<String> al= new ArrayList<String>();
//add method for String ArrayList
al.add("Ram");
al.add("Shyam");
al.add("CPS");
al.add("John");
al.add("Steve");
System.out.println("Elements of ArrayList of String Type: "+al);Java arraylist if you don't want to use add()
public class MainActivity extends AppCompatActivity {
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
ListView myListView = (ListView) findViewById(R.id.myListView);
final ArrayList<String> myFriendsList = new ArrayList<String>(asList("Friend1", "Friend2", "Friend3", "Friend4", "Friend5"));
// set the layout of the list
ArrayAdapter<String> friendsArrayAdapter = new ArrayAdapter<String>(this,
android.R.layout.simple_list_item_1, myFriendsList);
// connect adapter to myFriendsList
myListView.setAdapter(friendsArrayAdapter);
// set onClickListener
myListView.setOnItemClickListener(new AdapterView.OnItemClickListener() {
@Override
public void onItemClick(AdapterView<?> parent, View view, int position, long id) {
Toast.makeText(MainActivity.this, myFriendsList.get(position), Toast.LENGTH_SHORT).show();
}
});
}
}arraylist add method
public void add(int index, E element) // no return valueCopyright © 2021 Codeinu
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