Write a JAVA program which has a class student with attributes Rollno,Name,Class.
A derived class result should have attributes Marks1, Marks2, Marks3. Display the
details of students along with their marks in three subjects. Write necessary functions to
compute percentage. (Use parameterized constructor and super keyword to call base
Write Java program to design three text boxes and two buttons using swing . Enter
different strings in first and second textbox. On clicking the First command button,
concatenation of two strings should be displayed in third text box and on clicking second
command button , reverse of string should display in third text box.
Create an applet to accept a number in a textbox and on click of OK button, it
displays if given number is even or odd.
Create an abstract class Student with methods disp_roll_no and calc_total_marks.
Derive three classes McaStudent (marks of 6 subject as members),
MscStudentfrom(marks of 4 subject as members) and BcsStudent(marks of 8 subject as
members) from it. Create set of n students in main. Calculate total and display roll
number with total of each student.. (Use method overriding).
Write a SDK program to create a menu using code (not a menu from resource)..