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Java Interview Questions on Exception - 14

Question: 1

In case of 'try' & 'catch' block, is it possible to use only 'try' block instead of using 'catch'?

(A) Yes
(B) No

Level: Beginner Category: exceptions
[Posted by: Admin | Chicago, USA]

Question: 2

Find the output of below program

public class Main
{
public static void main(String[] args) {
    try{
	int a = -100;
	System.out.print(a);
    }
}
}

(A) -100
(B) Compilation Error
(C) Exception since catch is missing
(D) Exception since finally is missing

Level: Beginner Category: exceptions
[Posted by: Admin | Chicago, USA]

Question: 3

Can we use 'catch()' without passing arguments in it?

(A) Yes
(B) No It is compilation error

Level: Beginner Category: exceptions
[Posted by: Admin | Chicago, USA]

Question: 4

public class Main
{
public static void main(String[] args) {
    
try{
    int a = -100;
    System.out.print(a);
    throw null;
}
catch(Exception obj){
    System.out.print(obj.getMessage());
}
}
}

(A) -100
(B) null
(C) -100null
(D) null-100

Level: Practitioner Category: exceptions
[Posted by: Admin | Chicago, USA]

Question: 5

public class Main
{
public static void main(String[] args) {
    
try{
    int a = -100;
    throw null;
    System.out.print(a);
}
catch(Exception obj){
    System.out.print(obj.getMessage());
}
}
}

(A) -100null
(B) -100
(C) null
(D) Compilation Error - unreachable statement at line 8

Level: Practitioner Category: exceptions
[Posted by: Admin | Chicago, USA]

Question: 6

Which is the base class of all the exceptions & errors in Java?

(A) Exception
(B) Throwable
(C) JavaBase
(D) Error

Level: Expert Category: exceptions
[Posted by: Admin | Chicago, USA]

Question: 7

Which of the following exception is Checked exception?

(A) NullPointerException
(B) NumberFormatException
(C) ClassCastException
(D) ParseException

Level: Beginner Category: exceptions
[Posted by: Admin | Chicago, USA]

Question: 8

Which exception is thrown by following code?

public class Main
{
public static void main(String[] args) {
	int a = Integer.parseInt("123A");
	System.out.println(a);
}
}

(A) NumberFormatException
(B) IllegalArgumentException
(C) RuntimeException
(D) ParseException

Level: Expert Category: exceptions
[Posted by: Admin | Chicago, USA]

Question: 9

List of top 10 Exceptions used in Java

1. NullPointerException // Unchecked
2. NumberFormatException // Unchecked
3. IllegalArgumentException // Unchecked
4. RuntimeException // Unchecked
5. IllegalStateException // Unchecked
6. NoSuchMethoException // Checked
7. ClassCastException // Unchecked
8. Exception // Checked
9. ParseException // Checked
10. InvocationTargetException // Checked

Level: Beginner Category: exceptions
[Posted by: Admin | Chicago, USA]

Question: 10

Which of these clause will be executed even if no exceptions are found?

(A) throws
(B) finally
(C) catch
(D) throw

Level: Beginner Category: exceptions
[Posted by: Arvind | Navi Mumbai India]

Question: 11

 A single try block must be followed by which of these?

(A) finally
(B) catch
(C) finally & catch
(D) none of the mentioned

Level: Beginner Category: exceptions
[Posted by: Arvind | Navi Mumbai India]

Question: 12

 Which of these packages contain all the Java’s built in exceptions?

(A) java.io
(B) java.util
(C) java.lang
(D) java.net

Level: Beginner Category: exceptions
[Posted by: Arvind | Navi Mumbai India]

Question: 13

public class Main {
 public static void main(String[] args) {
 int x = 10;
 int y = 2;
 try {
 for (int z = 2; z >= 0; z--) {
 int ans = x / z;
System.out.print(ans+ " ");
 }
 } catch (Exception e1) {
 System.out.println("CppBuzz1");
 } catch (ArithmeticException e1) {
 System.out.println("CppBuzz2");
 }
 }
}

(A) 5 10
(B) 5 10 CppBuzz1
(C) 5 10 CppBuzz2
(D) Compilation Error

Level: Expert Category: exceptions
[Posted by: Admin | Chicago, USA]

Question: 14

Note: You can create your own exceptions by extending RuntimeException class. Here is an example:-

public class MyException extends RuntimeException{
	
	public MyException(String message){
		super(message);
	}

}

//Example to use this exception 
throw new MyException("Any error message");

(A)
(B)

Level: Beginner Category: exceptions
[Posted by: Admin | Chicago, USA]

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Java Interview Questions on Exception - 14

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