JAVA Exceptions Which of the following blocks execute compulsorily whether exception is caught or not. catch finally throws throw catch finally throws throw ANSWER DOWNLOAD EXAMIANS APP
JAVA Exceptions The class at the top of exception class hierarchy is ................. Object Throwable ArithmeticException Exception Object Throwable ArithmeticException Exception ANSWER DOWNLOAD EXAMIANS APP
JAVA Exceptions What will be the result after the class Test execution?class A{ public void doA(){ B b = new B(); b.dobB(); System.out.print("doA"); }}class B{ public void dobB(){ C c = new C(); c.doC(); System.out.print("doB"); }}class C{ public void doC(){ if(true) throw new NullPointerException(); System.out.print("doC"); }}public class Test{ public static void main(String args[]){ try{ A a = new A(); a.doA(); }catch(Exception ex){ System.out.print("error"); } }} "error" is printed nothing is printed "doCdoBdoA" is printed "doAdoBdoC" is printed "doBdoAerror" is printed "error" is printed nothing is printed "doCdoBdoA" is printed "doAdoBdoC" is printed "doBdoAerror" is printed 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 C A and C A and B A and D B and D B and C A and C A and B A and D B and D 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 false Compilation Error true None of these false Compilation Error true 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 succeed but no output Name-B Compilation fails-Exception NullPointerException is not compatible with throws clause in Value-A None of these printName() Compilation succeed but no output Name-B Compilation fails-Exception NullPointerException is not compatible with throws clause in Value-A None of these ANSWER DOWNLOAD EXAMIANS APP
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