Which exception is thrown when divide by zero statement executes? NumberFormatException None of these ArithmeticException NullPointerException TRUE ANSWER : ? YOUR ANSWER : ?
In which of the following package Exception class exist? java.util java.io java.lang java.file java.net TRUE ANSWER : ? YOUR ANSWER : ?
Which exception is thrown when an array element is accessed beyond the array size? ArrayIndexOutOfBounds ArrayElementOutOfBounds None of these ArrayIndexOutOfBoundsException TRUE ANSWER : ? YOUR ANSWER : ?
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"); } }} "doBdoAerror" is printed "error" is printed "doAdoBdoC" is printed "doCdoBdoA" is printed nothing is printed TRUE ANSWER : ? YOUR ANSWER : ?
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); }} 3.5 3 Compilation Error Error occured None of these TRUE ANSWER : ? YOUR ANSWER : ?
What is the output of the following program code?public class Test{ public static void main(String args[]){ try{ int i; return; } catch(Exception e){ System.out.print("inCatchBlock"); } finally{ System.out.println("inFinallyBlock"); } }} The program will return without printing anything inFinallyBlock inCatchBlock inCatchBlock inFinallyBlock TRUE ANSWER : ? YOUR ANSWER : ?
The class at the top of exception class hierarchy is ................. ArithmeticException Throwable Exception Object TRUE ANSWER : ? YOUR ANSWER : ?
Which keyword is used to specify the exception thrown by method? throw throws catch finally TRUE ANSWER : ? YOUR ANSWER : ?
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"); } }} "one" is printed. None of these "null pointer exception" is printed. Compilation fails saying NullPointerException has already been caught. "exception" is printed. TRUE ANSWER : ? YOUR ANSWER : ?
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(); }} One Two Compilation Error One Two None of these TRUE ANSWER : ? YOUR ANSWER : ?