JAVA Exceptions Which keyword is used to explicitly throw an exception? throwing try catch throw throwing try catch throw 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? IllegalStateException None of these ClassCastException NumberFormatException ArrayIndexOutOfBoundsException IllegalStateException None of these ClassCastException NumberFormatException ArrayIndexOutOfBoundsException 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 "error" is printed "doBdoAerror" is printed nothing is printed "doCdoBdoA" is printed "doAdoBdoC" is printed "error" is printed "doBdoAerror" is printed nothing is printed 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. } 1 1 2 3 1 3 2 3 3 1 1 2 3 1 3 2 3 3 ANSWER DOWNLOAD EXAMIANS APP
JAVA Exceptions In which of the following package Exception class exist? java.io java.file java.util java.lang java.net java.io java.file java.util java.lang java.net 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(). 1 and 2 3 and 4 1 and 4 2 and 3 2 and 4 1 and 2 3 and 4 1 and 4 2 and 3 2 and 4 ANSWER DOWNLOAD EXAMIANS APP
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