//Convert a string to upper case and lower case
class convertString
{
public static void main(String args[ ])
{
String str1=”Programming In Java”;
String str2=str1.toLowerCase();
String str3=str1.toUpperCase();
System.out.println(“Give String :”+str1);
System.out.println(“Upper case:”+str3);
System.out.println(“Lower case:”+str2);
}
}