Java Program Using Joptionpane Code

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Write a Java program to convert String to Upper Case with or without toUpperCase() method. This program may be asked in core java written exam. The following code accepts a line of input and converts it to UPPERCASE. In java String Class, there is a method toUpperCase() which converts lowercase string to UPPERCASE. For converting string to uppercase without using toUpperCase(), we can use StringBuilder Class and its setCharAt(int ,char) method. StringBuilder is similar to StringBuffer but not thread safe (no guarantee of synchronization). setCharAt(int ,char) which is used to replace a character to a new character at the specified index of a string)

Import javax.swing.JOptionPane; // Needed for Dialog Box /. This program demonstrates. showMessageDialog./ public class MessageDialogDemo public. Inventory Management System Source Code Using C# And SQL SERVER this inventory management system project is created using c#. Java Project With MySQL Database With Source Code Java And MySQL - Project Example With Source Code In this java Tutorials we will see How To Create A Simple Program E.

Tkinter examples python 3. Run the program.

Java Program Using Joptionpane Code

Input: java is great.

Output:

Reference : StringBuilder Class

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