└── String1.java


/String1.java:
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 1 | class HelloWorld {
 2 |     public static void main(String[] args) {
 3 |         String str1="HEllo WoRLd Programming";
 4 |         System.out.println("The String is "+str1);
 5 |         int cnt=0;
 6 |         String strr="";
 7 |         for(char i:str1.toCharArray())
 8 |         {
 9 |             cnt++;
10 |         }
11 |         for(int i=0;i<cnt;i++)
12 |         {
13 |             char c=str1.charAt(i);
14 |             if(c>=65&&c<=90)
15 |             {
16 |                 c+=32;
17 |                 System.out.print(c);
18 |             }
19 |             else
20 |             {
21 |                 c-=32;
22 |                 System.out.print(c);
23 |             }
24 |         }
25 |         String tstr1=str1.replaceAll(" ","");
26 |         System.out.println("\n"+tstr1);
27 |     }
28 | }
29 | 


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