Write a Java program to create three radio buttons. When any of them is selected, an appropriate message is displayed.

Write a program to handle an exception using try, catch and throw.

File : Count Character Write a program to count the number of times a character appears in the File. (Case insensitive… ‘a’ and ‘A’ are considered to be the same) Sample Output: Enter the file name Input.txt Enter the character to be counted r File ‘Input.txt’ has ...

Write a program to copy from one file to another

What class allows you to read objects directly from a stream? Briefly Explain.