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 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 Two One None of these One Two Compilation Error Two One None of these 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); }} 3.5 Error occured Compilation Error None of these 3 3.5 Error occured Compilation Error None of these 3 ANSWER DOWNLOAD EXAMIANS APP
JAVA Exceptions Given the following piece of code:class SalaryCalculationException extends Exception{}class Person{ public void calculateSalary() throws SalaryCalculationException{ //... throw new SalaryCalculationException(); //... }}class Company{ public void paySalaries(){ new Person().calculateSalary(); }}Which of the following statements is correct?1. This code will compile without any problems.2. This code will compile if in method paySalaries() we return a boolean in stead of void.3. This code will compile if we add a try-catch block in paySalaries().4. This code will compile if we add throws SalaryCalculationException in the signature of method paySalaries(). 2 and 4 1 and 4 1 and 2 2 and 3 3 and 4 2 and 4 1 and 4 1 and 2 2 and 3 3 and 4 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"); } }} "doCdoBdoA" is printed "doAdoBdoC" is printed nothing is printed "error" is printed "doBdoAerror" is printed "doCdoBdoA" is printed "doAdoBdoC" is printed nothing is printed "error" is printed "doBdoAerror" is printed ANSWER DOWNLOAD EXAMIANS APP
JAVA Exceptions Which exception is thrown when divide by zero statement executes? NullPointerException NumberFormatException None of these ArithmeticException NullPointerException NumberFormatException None of these ArithmeticException ANSWER DOWNLOAD EXAMIANS APP
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