JAVA Exceptions The class at the top of exception class hierarchy is ................. Object Exception ArithmeticException Throwable Object Exception ArithmeticException Throwable ANSWER DOWNLOAD EXAMIANS APP
JAVA Exceptions Which of the below statement is/are true about Error?A. An Error is a subclass of Throwable.B. An Error is a subclass of Exception.C. Error indicates serious problems that a reasonable application should not try to catch.D. An Error is a subclass of IOException. B and D A and B A and C A and D B and C B and D A and B A and C A and D B and C ANSWER DOWNLOAD EXAMIANS APP
JAVA Exceptions What happen in case of multiple catch blocks? The superclass exception cannot caught first. None of these Either super or subclass can be caught first. The superclass exception must be caught first. The superclass exception cannot caught first. None of these Either super or subclass can be caught first. The superclass exception must be caught first. 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 ArrayIndexOutOfBoundsException IllegalStateException None of these ClassCastException NumberFormatException ArrayIndexOutOfBoundsException IllegalStateException None of these ClassCastException 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(); }} Name-B printName() Value-A Compilation succeed but no output None of these Compilation fails-Exception NullPointerException is not compatible with throws clause in Name-B printName() Value-A Compilation succeed but no output None of these Compilation fails-Exception NullPointerException is not compatible with throws clause in ANSWER DOWNLOAD EXAMIANS APP
JAVA Exceptions Predict the output:public class Test{ public static void main(String args[]){ try{ String arr[] = new String[10]; arr = null; arr[0] = "one"; System.out.print(arr[0]); }catch(Exception ex){ System.out.print("exception"); }catch(NullPointerException nex){ System.out.print("null pointer exception"); } }} "null pointer exception" is printed. "exception" is printed. None of these "one" is printed. Compilation fails saying NullPointerException has already been caught. "null pointer exception" is printed. "exception" is printed. None of these "one" is printed. Compilation fails saying NullPointerException has already been caught. ANSWER DOWNLOAD EXAMIANS APP
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