The 10 most common bugs
Missing ( ) [ ] : Unpredictable error messages
Forgotten Imports : Class not Found
A Class for an Object: Method not found (if not static)
Spelling mistake : Various error messages
Wrong Signature : Wrong type of Arguments
Return nothing = void: Invalid method declaration
Wrong equality : Incompatible type for if
Endless loops : Program seems to be hanged
Many public classes : Public class x must be defined in a file called ”x.java"
Trusting your code without testing!
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