ArrayList.pptx

` List objects are: [Lovely, Nikka, Vladimere, April, Katrina] After removing April, List objects are : [Lovely, Nikka, Vladimere, Katrina] import java.util.ArrayList; public class arraylist1 { public static void main(String[] args) { ArrayList<String> motor = new ArrayList<St...

` List objects are: [Lovely, Nikka, Vladimere, April, Katrina] After removing April, List objects are : [Lovely, Nikka, Vladimere, Katrina] import java.util.ArrayList; public class arraylist1 { public static void main(String[] args) { ArrayList<String> motor = new ArrayList<String>(); motor.add("Honda"); motor.add("YAMAHA"); motor.add("Ducati"); motor.add("Kawasaki"); System.out.println(motor); } } Output: [Honda, YAMAHA, Ducati, Kawasaki] import java.util.ArrayList; public class arraylist2 { public static void main(String[] args) { ArrayList<String> motor = new ArrayList<String>(); motor.add("Honda"); motor.add("YAMAHA"); motor.add("Ducati"); motor.add("Kawasaki"); System.out.println(motor.get(0)); } } Output: Honda import java.util.ArrayList; public class arraylist3 { public static void main(String[] args) { ArrayList<String> motor = new ArrayList<String>(); motor.add("Honda"); motor.add("YAMAHA"); motor.add("Ducati"); motor.add("Kawasaki"); motor.set(0, "Suzuki"); System.out.println(motor); } } Output: [Suzuki, YAMAHA, Ducati, Kawasaki] import java.util.ArrayList; public class arraylist4 { public static void main(String[] args) { ArrayList<String> motor = new ArrayList<String>(); motor.add("Honda"); motor.add("YAMAHA"); motor.add("Ducati"); motor.add("Kawasaki"); motor.remove(0); System.out.println(motor); } } Output: [YAMAHA, Ducati, Kawasaki] import java.util.ArrayList; public class arraylist5 { public static void main(String[] args) { ArrayList<String> motor = new ArrayList<String>(); motor.add("Honda"); motor.add("YAMAHA"); motor.add("Ducati"); motor.add("Kawasaki"); motor.clear(); System.out.println(motor); } } Output: [] import java.util.ArrayList; public class arraylist6 { public static void main(String[] args) { ArrayList<String> motor = new ArrayList<String>(); motor.add("Honda"); motor.add("YAMAHA"); motor.add("Ducati"); motor.add("Kawasaki"); System.out.println(motor.size()); } } Output: 4 import java.util.ArrayList; public class arraylist7 { public static void main(String[] args) { ArrayList<Integer> NumVar = new ArrayList<Integer>(); NumVar.add(10); NumVar.add(15); NumVar.add(20); NumVar.add(25); for (int i : NumVar) { System.out.println(i); } } } Output: 10 15 20 25 import java.util.ArrayList; import java.util.Collections; public class arraylist8 { public static void main(String[] args) { ArrayList<String> planet = new ArrayList<String>(); planet.add("Mercury"); planet.add("VENUS"); planet.add("Earth"); planet.add("Mars"); Collections.sort(planet); for (String i : planet) { System.out.println(i); } } } Output: Earth Mars Mercury VENUS import java.util.ArrayList; import java.util.Collections; public class arraylist9 { public static void main(String[] args) { ArrayList<Integer> NumVar = new ArrayList<Integer>(); NumVar.add(33); NumVar.add(15); NumVar.add(20); NumVar.add(34); NumVar.add(8); NumVar.add(12); Collections.sort(NumVar); for (int i : NumVar) { System.out.println(i); } } } Output: 8 12 15 20 33 34