Java-Practice-Codes/Intersection.java at master · cyberboysumanjay/Java-Practice-Codes · GitHub

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import java.util.Scanner;


public class Intersection {

	public static void main(String s)
	{
		int i,j,n1,n2;
		Scanner sc=new Scanner(System.in);


		System.out.print("Enter number of elements of first array:");
		n1=sc.nextInt();
		System.out.print("Enter number of elements of second array:");
		n2=sc.nextInt();


		int a1[]=new int[n1];
		int a2[]=new int[n2];


		System.out.print("nEnter elements of first array in ascending order:");
		for(i=0;i<n1;++i)
			a1[i]=sc.nextInt();


		System.out.print("nEnter elements of second array in ascending order:");
		for(i=0;i<n2;++i)
			a2[i]=sc.nextInt();


		i=j=0;
		System.out.print("nIntersection of Arrays: ");
		while(i<n1&&j<n2)
		{
			if(a1[i]<a2[j])
				i++;
			else
				if(a2[j]<a1[i])
					j++;
				else
				{
					System.out.print(a1[i]);
					i++;
					j++;
				}
		}

	}


}