Array Methods

Write a program to show use of different array method.

import java.util.*;

class P17ArrayMethods

{

    public static void main()

    {

        int[] a= getInt();

        String[] b= getString();

        int n= a.length;// length is used to get total no of elements

        int m= b.length;

        Arrays.sort(a); Arrays.sort(b);

        System.out.println(" \n Integer In acending order using Sort method of array\n");

        for(int i=0;i<n;i++)

            System.out.print(a[i]+"\t");

        System.out.println("\n Words In dictionary order using Sort method of array \n");

        for(int i=0;i<m;i++)

            System.out.print(b[i]+"\t");

        Arrays.fill(a,2,5,0);//fill array element with zero from  index 2 to 4

        System.out.println(" \n Printing arrays without using loop\n" +Arrays.toString(a));

        System.out.println(" \n Printing arrays without using loop\n" +Arrays.toString(b));

    }

    static int[] getInt()

    {

        Scanner in = new Scanner(System.in);

        System.out.println("Enter the no. of integer you want to input  ");

        int n=in.nextInt();

        int[] a= new int[n];// create an array of length n

        for(int i=0;i<n;i++)

        {

            System.out.print(" \n Enter integer  "+(i+1) + "\t");

            a[i]=in.nextInt(); // store in value input by user in array

        }

        return a;

    }

    static String[] getString()

    {

        Scanner in = new Scanner(System.in);

        System.out.println("\n Enter the no. of Words you want to input  ");

        int n=in.nextInt();

        String[] a= new String[n];// create an array of length n

        for(int i=0;i<n;i++)

        {

            System.out.print(" \n Enter Word  "+(i+1) + "\t");

            a[i]=in.next(); // store in value input by user in array

        }

        return a;

    }

}

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