<Ctrl+Alt+Debug>:Debugging Competition(Java)

1. 1.

• The integer value is not enclosed in quotes.
• The variable type is declared incorrectly.
• The assignment of a string to an integer variable is incorrect.
• The code is missing a semicolon at the end.

2

• 17

• 16

• 18

• 19

3

• Accessing array[5]

• Calling a method on a null object

• Dividing by zero

• Using a string literal

Answer explanation

4

• i-- should be i++

• Syntax Error

• Wrong Condition

• i is undeclared

5

• Replace null with ""

• Use "test".equals(s)

• No issue

• Use try-catch

6

• Should be integers only

• Will print Hello52

• Syntax Error

• Concatenation not allowed

7

• Array with 5 elements

• Run-time Error

• Compile-time error

• Zero-Length Array

8. 8.

• 'abc' is not an int

• Missing import

• Syntax Error

• Null Value

9

• s1 == s2

• s1 = s2

• s1.equals(s2)

• s1.equal(s2)

10. 10.

• Compilation Error

• Method Overriding doesn't happen

• Runtime Error

• B's show() method hides A's