Posted in All Posts, Semester 4

Sem 4 – CJ Unit 4 Programs

CJ – Core Java

Unit 4 – Packages, Multithreading, Applets and Graphics

1. Write a program to calculate the area by using an interface.
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2. Write a program to show use of the import statement.
Download (Main file – cj4_2.java) || Download (Package file – Calculator.java)


3. Write an interface called Numbers, with a method int Process(int x, int y). Write a class called Sum, in which the method Process finds the sum of two numbers and returns an int value. Write another class called Average, in which the Process method finds the average of the two numbers and returns an int. Continue reading “Sem 4 – CJ Unit 4 Programs”

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Sem 4 – CJ Unit 3 Programs

CJ – Core Java

Unit 3 – Exception Handling and Inheritance

1. Write a program to display the sum of digits of given numbers with exception handling.
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2. Write a java program which takes 2 arguments – a string and its length. If the length of the string is not according to given one then throw the user defined LengthMatchException and handles it appropriately.
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3. Write a Java program to input n integer numbers and display lowest and second lowest number. Also handle the different exceptions possible to be thrown during execution. Continue reading “Sem 4 – CJ Unit 3 Programs”

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Sem 4 – CJ Unit 2 Programs

CJ – Core Java

Unit 2 – Decision Making, Looping, String, Array, Wrapper Classes

1. Write a program to print even number up to 10 using while loop.
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2. Write a program to check whether the given number is even or odd.
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3. Write a program to demonstrate calculator using switch statement. Continue reading “Sem 4 – CJ Unit 2 Programs”

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Sem 4 – CJ Unit 1 Programs

CJ – Core Java

Unit 1 – Java Introduction, Operator, Objects, Methods

1. Write a program to calculate the hypotenuse of right angled triangle when other sides of the triangle are given. (Hypotenuse = Square root (x*x + y*y)).
Download (Input using command line) | Download (Input using scanner method)


2. Write a program to evaluate simple interest of a given principal, rate and time.
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3. Write a program to find maximum of two numbers without using third variable. Continue reading “Sem 4 – CJ Unit 1 Programs”