import java.util.ArrayList;
import java.util.*;
class Test
{
public static void main(String[] args)
{
ArrayList al=new ArrayList();
System.out.println(al.isEmpty());
al.add(10);
al.add("hi");
al.add("abc");
System.out.println(al.size());
System.out.println("before remove value"+al);
System.out.println(al.remove(0));
System.out.println("after remove value"+al);
System.out.println("get values"+al.get(0));
System.out.println("get index of value"+al.indexOf("hi"));
System.out.println("searching "+al.contains(10));
}
}
import java.util.*;
class ArrayListDemo
{
public static void main(String[] args)
{
ArrayList al=new ArrayList();
al.add(10);
al.add(20);
al.add(30);
al.add(40);
int sum=0;
for (Integer a1:a)
{
sum=sum+a1;
System.out.println(a1);
}
System.out.println(sum);
}
}
import java.util.*;
class Book {
int id;
String name,author,publisher;
int quantity;
public Book(int id, String name, String author, String publisher, int quantity) {
this.id = id;
this.name = name;
this.author = author;
this.publisher = publisher;
this.quantity = quantity;
}
}
public class ArrayListExample {
public static void main(String[] args) {
List list=new ArrayList();
Book b1=new Book(101,"Let us C","Ramana Reddy","VVRR",8);
Book b2=new Book(102,"Data Communications & Networking","Forouzan","Mc Graw Hill",4);
Book b3=new Book(103,"Operating System","Galvin","Wiley",6);
list.add(b1);
list.add(b2);
list.add(b3);
for(Book b:list){
System.out.println(b.id+" "+b.name+" "+b.author+" "+b.publisher+" "+b.quantity);
}
}
}