Debugging Round 1

Front

What is the purpose of self in Python classes?

Back

It refers to the current instance of the class

Front

How do you open a file named `data.txt` in read mode?

Back

open("data.txt", "r")

Front

What is the default value of a boolean variable in Java?

Back

false

Front

What is the correct syntax to declare an array in Java? Options: int[] arr = new int(5);, int arr = new int[5];, int[] arr = new int[5];, array arr = new array(5);

Back

int[] arr = new int[5];

Front

What will be the output of the following Java code?
String str = "Java";
System.out.println(str.charAt(2));

Back

v

Front

What does the final keyword do in Java?

Back

Prevents method overriding, prevents variable modification, prevents class inheritance.

Front

Which of the following is true about Python?
a) It is a compiled language
b) It is an interpreted language
c) It does not support OOP concepts
d) It cannot be used for web development

Back

It is an interpreted language

Front

Which of the following is NOT a valid access modifier in Java? a) public, b) private, c) protected, d) static

Back

static

Front

What keyword is used to define a function in Python?

Back

def

Front

What will be the output of the following Python code?
x = "Hello"
print(x[::-1])

Back

olleH