JAVA Exceptions The class at the top of exception class hierarchy is ................. Exception ArithmeticException Object Throwable Exception ArithmeticException Object Throwable ANSWER DOWNLOAD EXAMIANS APP
JAVA Exceptions try{ File f = new File("a.txt");}catch(Exception e){}catch(IOException io){}Is this code create new file name a.txt ? None of these Compilation Error false true None of these Compilation Error false true ANSWER DOWNLOAD EXAMIANS APP
JAVA Exceptions What will be the output of the following piece of code:class Person{ public void talk() {}}public class Test{ public static void main(String args[]){ Person p = null; try{ p.talk(); } catch(NullPointerException e){ System.out.print("There is a NullPointerException. "); } catch(Exception e){ System.out.print("There is an Exception. "); } System.out.print("Everything went fine. "); }} There is a NullPointerException. There is a NullPointerException. Everything went fine. There is a NullPointerException. There is an Exception. This code will not compile, because in Java there are no pointers. There is a NullPointerException. There is a NullPointerException. Everything went fine. There is a NullPointerException. There is an Exception. This code will not compile, because in Java there are no pointers. ANSWER DOWNLOAD EXAMIANS APP
JAVA Exceptions What is the output for the below code ?import java.io.FileNotFoundException;class A{ public void printName() throws FileNotFoundException{ System.out.println("Value-A"); }}class B extends A{ public void printName() throws NullPointerException{ System.out.println("Name-B"); }}public class Test{ public static void main (String[] args) throws Exception{ A a = new B(); a.printName(); }} None of these Value-A printName() Compilation fails-Exception NullPointerException is not compatible with throws clause in Compilation succeed but no output Name-B None of these Value-A printName() Compilation fails-Exception NullPointerException is not compatible with throws clause in Compilation succeed but no output Name-B ANSWER DOWNLOAD EXAMIANS APP
JAVA Exceptions public class Test{ public static void main(String args[]){ try{ int a = Integer.parseInt("four"); } }}Which exception could be handled by the catch block for above? NumberFormatException None of these ClassCastException ArrayIndexOutOfBoundsException IllegalStateException NumberFormatException None of these ClassCastException ArrayIndexOutOfBoundsException IllegalStateException ANSWER DOWNLOAD EXAMIANS APP
JAVA Exceptions What happen in case of multiple catch blocks? Either super or subclass can be caught first. None of these The superclass exception cannot caught first. The superclass exception must be caught first. Either super or subclass can be caught first. None of these The superclass exception cannot caught first. The superclass exception must be caught first. ANSWER DOWNLOAD EXAMIANS APP
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