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The “cannot find symbol java” error happens primarily we have a tendency to|once we|after we} attempt to reference a variable that's not declared within the program that we square measure assembling, it means the compiler doesn’t grasp the variable we tend to square measure concerning.
☑️Using a variable that's not declared or outside the code.
☑️Using wrong cases (“tutorials” and “Tutorials" square measure different) or creating orthography mistakes.
☑️The prepacked category has not been documented properly mistreatment Associate in Nursing import declaration.
☑️Using improper symbol values like letters, numbers, underscore and dollar sign. The hello-class is completely different from hello class.
In the higher than program, "Cannot realize symbol" error can occur as a result of “sum” isn't declared. so as to unravel the error, we want to outline “int add = n1+n2” before mistreatment the variable add.