Java Debugging Questions - M

Java Debugging Questions - M

University

15 Qs

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Java Debugging Questions - M

Java Debugging Questions - M

Assessment

Quiz

Other

University

Practice Problem

Hard

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kcedhruva_cybersecurity codedebugging

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15 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

What is the error in the following code?

public class Test {

public static void main(String[] args) {
int x = 10;
x = x *;
System.out.println(x);
}
}

Missing operand

Missing semicolon

Undefined variable

No error

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

What will be the output of the following code? public class Test { public static void main(String[] args) { int x = 5 / 0; System.out.println(x); } }

0

Infinity

Compilation Error

Runtime Exception

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Identify the error in this code: public class Example { public static void main(String[] args) { int arr[5] = {1,2,3,4,5}; System.out.println(arr[2]); } }

Syntax error in array declaration

Index out of bounds

Logical Error

No error

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

What is the issue with this Java snippet? class Demo { static int x; public static void main() { System.out.println(x); } }

x is not initialized

main method signature is incorrect

No error

Class must be abstract

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

What will happen when executing the following program? class Test { public static void main(String args) { System.out.println("Hello World"); } }

Compilation Error

Runtime Error

Prints 'Hello World'

Infinite loop

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Find the mistake in this Java program: public class Test { public static void main(String[] args) { int x; System.out.println(x); } }

Variable x is not initialized

Syntax error

x must be final

No error

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Which statement is true about this code? public class Test { public static void main(String[] args) { String str = null; System.out.println(str.length()); } }

NullPointerException occurs

Prints 0

Compilation Error

No error

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