remove all element in a list java
list_name.removeAll(list_name);remove all element in a list java
list_name.removeAll(list_name);java delete element from list
List<String> list = new ArrayList<>();
list.add("Hello World");
String removedStr = list.remove(0); // returns the removed element
boolean removeByElement = list.remove("Hello World"); // true if the element was deleted successfulyJava List Remove Elements using remove() method
// Java Program to Add Elements to a List
// Importing all utility classes
import java.util.*;
// Main class
class Main {
// Main driver method
public static void main(String args[])
{
// Creating an object of List interface,
// implemented by ArrayList class
List<String> list = new ArrayList<>();
// Adding elements to object of List interface
// Custom elements
list.add(0, "Apple");
list.add(1, "Banana");
list.add(2, "Mango");
// Print all the elements inside the
// List interface object
System.out.println("ArrayList: " + list+"\n");
// remove element from index 2
String str = list.remove(1);
System.out.println("Updated ArrayList: " + list);
System.out.println("Removed Element: " + str);
}
}Copyright © 2021 Codeinu
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