Arraylist: It is a collection framework and the java package “java.util.package” is used for this. Arraylist is a dynamic list which is used to store dynamic array elements. To use Arraylist class in a Java program, it must be imported first from the Java library files. The statement which must be imported in order to use Arraylist class is, import java.util.Arraylist; Syntax for Arraylist: ArrayList() object_name=new ArrayList(); Here, “ArrayList()” is the class name with no arguments. The programmer can use “ArrayList(Collection c)” and “ArrayList(int)” from “util” package. “object_name” describes name of the object of Arraylist.

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Chapter 7.13, Problem 7.29CP

Program Plan Intro

Arraylist:

It is a collection framework and the java package “java.util.package” is used for this. Arraylist is a dynamic list which is used to store dynamic array elements.

To use Arraylist class in a Java program, it must be imported first from the Java library files.

The statement which must be imported in order to use Arraylist class is,

import java.util.Arraylist;

Syntax for Arraylist:

ArrayList() object_name=new ArrayList();

Here,

“ArrayList()” is the class name with no arguments. The programmer can use “ArrayList(Collection c)” and “ArrayList(int)” from “util” package.

“object_name” describes name of the object of Arraylist.

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