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on January 29, 2022

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Hello,😁😁😎😎

My name is harshal khare. this is the first day of my blog.

i was just wondering what is like like to write blog. so i decided to write blog now on.

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preparation

import java.util.*; import java.util.Scanner; class city { public static void main ( String args []) { List m = new ArrayList (); Scanner sc = new Scanner ( System . in ); System . out . println ( "enter HOW Many cities you want=" ); int a = sc . nextInt (); for ( int j = 0 ;j<a;j++) { System . out . println ( "enter cities = " ); m . add ( sc . next ()); } System . out . println ( "list =" +m); m . clear (); System . out . println ( "removed cities = " +m); } } /*write a program to sort hashmap by keys and display the detaisl before sorting and after sorting*/ /*import java.util.Map; import java.util.HashMap; import java.util.TreeMap; import java.util.Iterator;*/ import java.util.*; public class hashmap { public static void main ( String args []) { HashMap < Integer , String > hm = new HashMap < Integer , String >(); hm . put ( 8 , "Nandan" ); h...

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