Java program?

Hi, can any1 plz solve this java program:





Q. Write a Program with the following class description:


class name : format


1. Data members : str // Stores string


len //length of the string


2. Format() //contructor


3. void readstring() //reads in the string


4. char charar(int index) //returns character at index postion


5. void writechar(char c) //writes character to output


6. void change() // writes changed case character to output


7. int isupperc(char c) // returns

Java program?
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