JAVA Exceptions In which of the following package Exception class exist? java.util java.file java.net java.io java.lang java.util java.file java.net java.io java.lang 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(); }} Compilation succeed but no output Compilation fails-Exception NullPointerException is not compatible with throws clause in printName() None of these Name-B Value-A Compilation succeed but no output Compilation fails-Exception NullPointerException is not compatible with throws clause in printName() None of these Name-B Value-A ANSWER DOWNLOAD EXAMIANS APP
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 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. Compilation fails saying NullPointerException has already been caught. "one" is printed. None of these "null pointer exception" is printed. "exception" is printed. Compilation fails saying NullPointerException has already been caught. "one" is printed. None of these ANSWER DOWNLOAD EXAMIANS APP
JAVA Exceptions What will be the result of executing the following code?public class Test{ public void divide(int a, int b){ try{ int c = a / b; }catch(Exception e){ System.out.print("Exception "); }finally{ System.out.println("Finally"); } public static void main(String args[]){ Test t = new Test(); t.divide(0,3); }} Compile with error Prints out: Exception Finally Prints out: Exception Prints out: Finally None of these Compile with error Prints out: Exception Finally Prints out: Exception Prints out: Finally None of these 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. This code will not compile, because in Java there are no pointers. There is a NullPointerException. Everything went fine. There is a NullPointerException. There is an Exception. There is a NullPointerException. This code will not compile, because in Java there are no pointers. There is a NullPointerException. Everything went fine. There is a NullPointerException. There is an Exception. ANSWER DOWNLOAD EXAMIANS APP
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