JAVA Exceptions In which of the following package Exception class exist? java.lang java.util java.file java.io java.net java.lang java.util java.file java.io java.net 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. "); }} This code will not compile, because in Java there are no pointers. There is a NullPointerException. There is a NullPointerException. There is an Exception. There is a NullPointerException. Everything went fine. This code will not compile, because in Java there are no pointers. There is a NullPointerException. There is a NullPointerException. There is an Exception. There is a NullPointerException. Everything went fine. ANSWER DOWNLOAD EXAMIANS APP
JAVA Exceptions What will be the output?class MyClass{ public String test(){ try{ System.out.print("One"); return ""; } finally{ System.out.print("Two"); } }}public class Test{ public static void main(String args[]){ MyClass m = new MyClass(); m.test(); }} Two Compilation Error One Two One None of these Two Compilation Error One Two One None of these 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 "doCdoBdoA" is printed "doAdoBdoC" is printed nothing is printed "doBdoAerror" is printed "error" is printed "doCdoBdoA" is printed "doAdoBdoC" is printed nothing is printed "doBdoAerror" is printed 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? None of these ClassCastException ArrayIndexOutOfBoundsException NumberFormatException IllegalStateException None of these ClassCastException ArrayIndexOutOfBoundsException NumberFormatException IllegalStateException 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(); }} None of these Compilation fails-Exception NullPointerException is not compatible with throws clause in printName() Compilation succeed but no output Value-A Name-B None of these Compilation fails-Exception NullPointerException is not compatible with throws clause in printName() Compilation succeed but no output Value-A Name-B ANSWER DOWNLOAD EXAMIANS APP
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