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 try{ File f = new File("a.txt");}catch(Exception e){}catch(IOException io){}Is this code create new file name a.txt ? true false None of these Compilation Error true false None of these Compilation Error ANSWER DOWNLOAD EXAMIANS APP
JAVA Exceptions Which keyword is used to explicitly throw an exception? throwing try throw catch throwing try throw catch ANSWER DOWNLOAD EXAMIANS APP
JAVA Exceptions Which exception is thrown when divide by zero statement executes? None of these NullPointerException ArithmeticException NumberFormatException None of these NullPointerException ArithmeticException NumberFormatException ANSWER DOWNLOAD EXAMIANS APP
JAVA Exceptions Which of the following blocks execute compulsorily whether exception is caught or not. throws catch throw finally throws catch throw finally 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(). 3 and 4 1 and 4 2 and 3 1 and 2 2 and 4 3 and 4 1 and 4 2 and 3 1 and 2 2 and 4 ANSWER DOWNLOAD EXAMIANS APP
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