JAVA Exceptions The class at the top of exception class hierarchy is ................. Object Exception Throwable ArithmeticException Object Exception Throwable ArithmeticException 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 ? Compilation Error None of these true false Compilation Error None of these true false 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"); } }} Compilation fails saying NullPointerException has already been caught. "null pointer exception" is printed. "exception" is printed. "one" is printed. None of these Compilation fails saying NullPointerException has already been caught. "null pointer exception" is printed. "exception" is printed. "one" is printed. None of these 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(); }} printName() Compilation fails-Exception NullPointerException is not compatible with throws clause in Value-A Name-B None of these Compilation succeed but no output printName() Compilation fails-Exception NullPointerException is not compatible with throws clause in Value-A Name-B None of these Compilation succeed but no output ANSWER DOWNLOAD EXAMIANS APP
JAVA Exceptions Which exception is thrown when divide by zero statement executes? None of these NullPointerException ArithmeticException NumberFormatException None of these NullPointerException ArithmeticException NumberFormatException 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 B and C A and D A and C B and D A and B B and C A and D A and C ANSWER DOWNLOAD EXAMIANS APP
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