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Explanation of Solution
Method “countCommon()” to return the number of common integers in the two list:
//import the required packages
import java.util.ArrayList;
import java.util.HashSet;
import java.util.Iterator;
import java.util.List;
import java.util.Set;
//define the class
public class Test
{
//define the static method
public static void main(String[] args)
{
//create a set
List<Integer> stringsSet=new ArrayList<Integer>();
List<Integer> stringsSet1=new ArrayList<Integer>();
//add the values to list 1
stringsSet.add(3);
stringsSet.add(7);
stringsSet.add(3);
stringsSet.add(-1);
stringsSet.add(2);
stringsSet.add(3);
stringsSet.add(7);
stringsSet.add(2);
stringsSet.add(15);
stringsSet.add(15);
//Add the values to list 2
stringsSet1.add(-5);
stringsSet1.add(15);
stringsSet1.add(2);
stringsSet1.add(-1);
stringsSet1.add(7);
stringsSet1.add(15);
stringsSet1...
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Chapter 11 Solutions
Building Java Programs: A Back To Basics Approach, Loose Leaf Edition (5th Edition)
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