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lower & upper case


                                                     lower & upper case
    toUpperCase(): This method is used to convert the string into upper case
The general form is.
String toUpperCase()
E.g.
String s="This Fine";
System.out.println(s.toUpperCase());
Output:
THIS FINE

toLowerCase(): This method is used to convert the string into lower case
The general form is.
String toLowerCase()
E.g.
String s="This Fine";
System.out.println(s.toLowerCase());
Output:
this fine


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