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"); } }} "exception" is printed. Compilation fails saying NullPointerException has already been caught. "null pointer exception" is printed. "one" is printed. None of these "exception" is printed. Compilation fails saying NullPointerException has already been caught. "null pointer 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(); }} Name-B Compilation fails-Exception NullPointerException is not compatible with throws clause in Value-A Compilation succeed but no output printName() None of these Name-B Compilation fails-Exception NullPointerException is not compatible with throws clause in Value-A Compilation succeed but no output printName() None of these 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. A and B A and D A and C B and C B and D A and B A and D A and C B and C B and D ANSWER DOWNLOAD EXAMIANS APP
JAVA Exceptions Determine output of the following program code?public class Test{ public static void main(String args[]){ int i; try{ i = calculate(); System.out.println(i); }catch(Exception e){ System.out.println("Error occured"); } } static int calculate(){ return (7/2); }} Error occured None of these 3.5 Compilation Error 3 Error occured None of these 3.5 Compilation Error 3 ANSWER DOWNLOAD EXAMIANS APP
JAVA Exceptions Which keyword is used to explicitly throw an exception? throwing catch throw try throwing catch throw try 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 ? true None of these Compilation Error false true None of these Compilation Error false ANSWER DOWNLOAD EXAMIANS APP
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