JAVA Exceptions Exception generated in try block is caught in ........... block. catch throw throws finally catch throw throws finally 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. "exception" is printed. None of these "null pointer exception" is printed. "one" is printed. Compilation fails saying NullPointerException has already been caught. "exception" is printed. None of these "null pointer exception" is printed. "one" is printed. 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 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"); } }} nothing is printed "doAdoBdoC" is printed "doCdoBdoA" is printed "doBdoAerror" is printed "error" is printed nothing is printed "doAdoBdoC" is printed "doCdoBdoA" is printed "doBdoAerror" is printed "error" is printed 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(); }} Value-A Compilation fails-Exception NullPointerException is not compatible with throws clause in Name-B printName() Compilation succeed but no output None of these Value-A Compilation fails-Exception NullPointerException is not compatible with throws clause in Name-B printName() Compilation succeed but no output None of these ANSWER DOWNLOAD EXAMIANS APP
JAVA Exceptions What will be the result if NullPointerException occurs at line 2?1. try{2. //some code goes here3. }4. catch(NullPointerException ne){5. System.out.print("1 ");6. }7. catch(RuntimeException re){8. System.out.print("2 ");9. }10. finally{11. System.out.print("3");12. } 3 1 2 3 1 3 1 2 3 3 1 2 3 1 3 1 2 3 ANSWER DOWNLOAD EXAMIANS APP
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