
Java Debugging Questions - M
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Other
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University
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Practice Problem
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Hard
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15 questions
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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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