Java Sample Programs

Programs

• Calculate Area of a Circle.
• Calculate Area of a Rectangle.
• Swap the values of two Numbers.
• Swap the values of two Numbers without using Third variable
• Use the Shift operators and display the result.
• Calculate Factorial of a Number.
• Calculate Factorial of a Number using Recursion.
• Reverse a Number and display it.
• Implement a Bubble Sort.
• Search for a particular element in Array, in case it is found, exit from loop and display the result (use break)
• Display all elements of an array from 1-10 except any one number, user can decide that that number (use continue).
• Create a new Text file and write some data into it.
• Read an existing Text file and display the content in console.
• Create a Vector having Integer objects. Copy the Vector elements into an array and display the array elements.
• Create a Hash Map to store the Asia Pacific countries and their capitals. display the capital based on the country name.
• Calculate the difference in days between two dates.
• Sort the items of a Set and display the sorted elements.
• Display the current user name, current OS version, java home using java code.
• Display the Currency symbol of countries India, UK, USA, England and Japan.
• Implement i18N in java. (Use ResourceBundle)
• get host name
• Get Month from Date
• Get IP Address Example
• Get Memory Size
• Get Method
• Java String Occurrence in a String
• String sort() Method
• explanation about the equalsIgnoreCase( ) method of string class.
• Model Class
• user defined exception class.
• JApplet Sample program for creating combobox, radio button, label, text box,check box,slide bar.
• calculate the mean and standard deviation of a set of n variables.
• create thread.
• How to count LOC of a program.
• Create a textBox using jframe
• create combobox using jframe 
• Count the Number of Classes and Methods contains in a program.

Tutorials Related to Java

• Classes and Objects in Java.
• Identifying Object-Oriented Classes.
• Basic Java Syntax.
• Math Class in Java.
• Object-Oriented Programming Concepts.
• Overriding Java Explanation with example