The following program computes and prints the factorial of n ( =1*2*3*.* n). Debugging Program in NetBeans Step 0: Write a Java Program The NetBeans "Start Page" also provides many useful links to get you started. The "Help" ⇒ "Online Doc and Support" ) contains many articles and tutorial on using NetBeans. This will save you many agonizing hours trying to figure out how to do somethings later. Read the NetBeans DocumentationĪt a minimum, you SHOULD READ the "IDE Basics, Getting Started, Java Application", which is accessible via NetBeans's "HELP" menu ⇒ Help Contents. But you can RUN your program with warnings. Unlike errors, warnings may or may not cause problems. SYNTAX WARNING: marked by a orange triangular exclaimation sign. You can click on the LIGHT-BULB to get a list of HINTS to resolve this particular error, which may or may not work! HINTS: In some cases, NetBeans shows a ORANGE LIGHT-BULB (for HINTS) next to the ERROR RED-CROSS (Line 5 in the above diagram). Correct all the syntax errors and RUN the program. You CANNOT RUN the program if there is any syntax error (marked by a RED CROSS before the filename). Point your cursor at the RED CROSS to view the error message. It marked a source line with syntax error with a RED CROSS. NetBeans performs incremented compilation, as and when a source line is entered. To run a particular program, open and right-click on the source file ⇒ Run File.
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