JAVA Exceptions In which of the following package Exception class exist? java.io java.net java.lang java.util java.file java.io java.net java.lang java.util java.file 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 None of these Compilation Error false true None of these Compilation Error false ANSWER DOWNLOAD EXAMIANS APP
JAVA Exceptions Which keyword is used to explicitly throw an exception? catch throwing try throw catch throwing try throw ANSWER DOWNLOAD EXAMIANS APP
JAVA Exceptions Which of the following blocks execute compulsorily whether exception is caught or not. throws finally catch throw throws finally catch throw ANSWER DOWNLOAD EXAMIANS APP
JAVA Exceptions 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. "exception" is printed. None of these "null pointer exception" is printed. Compilation fails saying NullPointerException has already been caught. "one" is printed. "exception" is printed. None of these "null pointer exception" is printed. Compilation fails saying NullPointerException has already been caught. ANSWER DOWNLOAD EXAMIANS APP
JAVA Exceptions What will be the output of the following piece of code:class Person{ public void talk() {}}public class Test{ public static void main(String args[]){ Person p = null; try{ p.talk(); } catch(NullPointerException e){ System.out.print("There is a NullPointerException. "); } catch(Exception e){ System.out.print("There is an Exception. "); } System.out.print("Everything went fine. "); }} There is a NullPointerException. There is a NullPointerException. There is an Exception. This code will not compile, because in Java there are no pointers. There is a NullPointerException. Everything went fine. There is a NullPointerException. There is a NullPointerException. There is an Exception. This code will not compile, because in Java there are no pointers. There is a NullPointerException. Everything went fine. ANSWER DOWNLOAD EXAMIANS APP
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