JAVA Exceptions In which of the following package Exception class exist? java.net java.file java.io java.util java.lang java.net java.file java.io java.util java.lang 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 ? None of these false true Compilation Error None of these false true Compilation Error 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(); }} Compilation fails-Exception NullPointerException is not compatible with throws clause in Value-A Compilation succeed but no output Name-B None of these printName() Compilation fails-Exception NullPointerException is not compatible with throws clause in Value-A Compilation succeed but no output Name-B None of these printName() ANSWER DOWNLOAD EXAMIANS APP
JAVA Exceptions Which of the below statement is/are true about Error?A. An Error is a subclass of Throwable.B. An Error is a subclass of Exception.C. Error indicates serious problems that a reasonable application should not try to catch.D. An Error is a subclass of IOException. A and C B and D B and C A and D A and B A and C B and D B and C A and D A and B ANSWER DOWNLOAD EXAMIANS APP
JAVA Exceptions Which exception is thrown when an array element is accessed beyond the array size? ArrayIndexOutOfBoundsException None of these ArrayElementOutOfBounds ArrayIndexOutOfBounds ArrayIndexOutOfBoundsException None of these ArrayElementOutOfBounds ArrayIndexOutOfBounds 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 2 2 and 3 1 and 4 3 and 4 2 and 4 1 and 2 2 and 3 1 and 4 3 and 4 ANSWER DOWNLOAD EXAMIANS APP
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