How to Use the finally Block in Java
finally block is coded after a try catch block. The statements in the
finally block are executed unconditionally, i.e., regardless of whether an exception was thrown. To learn how to use the
finally block in Java, follow these five steps.
- Open your text editor and type in the following Java statements:
finallyblock is present after the
catch. The statement in the block will execute whether or not an
- Save your file as UsefinallyBlock.java.
- Open a command prompt and navigate to the directory containing your Java program. Then type in the command to compile the source and hit Enter.
- Type in the command to run your program without providing a command line parameter and hit Enter.
ArrayIndexOutOfBoundsExceptionwas thrown because the
argsarray is empty. The program caught the exception and displayed an error message. Notice the output of the
finallyblock is displayed as well.
- Type in the command to run your program and be sure to enter the parameter ("Stephen" in this example) and hit Enter.
The program ended normally because the
argsarray had one item. Again, the output of the
finallyblock is displayed.