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Both MySQL and SQL Server, both are relational database management systems or RDBMS. MySQL is open source and is free to use whereas SQL Server is licensed product of Microsoft. MySql supports programming languages like C++, Java and has running support for Perl, TCL and Haskel.
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JTextField
- A JTextFeld is one of the most important components that allow the user to an input text value in a single line format.
- A JTextField will generate an ActionListener interface when we trying to enter some input inside it.
- The JTextComponent is a superclass of JTextField that provides a common set of methods used by JTextfield.
- The important methods in the JTextField class are setText(), getText(), setEnabled(), etc.
JTextArea
- A JTextArea is a multi-line text component to display text or allow the user to enter text.
- A JTextArea will generate a CaretListener interface.
- The JTextComponent is a superclass of JTextArea that provides a common set of methods used by JTextArea.
- The important methods in the JTextArea class are setText(), append(), setLineWrap(), setWrapStyleWord(), setCaretPosition(), etc.
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| Definition | Depending on the condition in the 'if' statement, 'if' and 'else' blocks are executed. | The user will decide which statement is to be executed. |
| Expression | It contains either logical or equality expression. | It contains a single expression which can be either a character or integer variable. |
| Evaluation | It evaluates all types of data, such as integer, floating-point, character or Boolean. | It evaluates either an integer, or character. |
| Sequence of execution | First, the condition is checked. If the condition is true then 'if' block is executed otherwise 'else' block | It executes one case after another till the break keyword is not found, or the default statement is executed. |
| Default execution | If the condition is not true, then by default, else block will be executed. | If the value does not match with any case, then by default, default statement is executed. |
| Editing | Editing is not easy in the 'if-else' statement. | Cases in a switch statement are easy to maintain and modify. Therefore, we can say that the removal or editing of any case will not interrupt the execution of other cases. |
| Speed | If there are multiple choices implemented through 'if-else', then the speed of the execution will be slow. | If we have multiple choices then the switch statement is the best option as the speed of the execution will be much higher than 'if-else'. |
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