Program for Upper Case Character to Lower Case Character Converter

Code Box
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/* program to Convert Upper Character to Lower Character */

class uptolo
{
public static void main(String a[])
{

int i;
char c;

c=a[0].charAt(0);
i=c;

if(i>=65&&i<=80)
{
System.out.println("Enterd Character is :"+c);
i=i+32;
c=(char)i;

System.out.println(" Lower  Character is:"+c);
}
else
{
System.out.println("pleas enter a correct case Character");

}
}
}