JAVA Exceptions In which of the following package Exception class exist? java.io java.net java.file java.util java.lang java.io java.net java.file java.util java.lang 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 Error occured None of these 3.5 Compilation Error 3 Error occured None of these 3.5 Compilation Error 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 Compilation Error true None of these false Compilation Error true ANSWER DOWNLOAD EXAMIANS APP
JAVA Exceptions What happen in case of multiple catch blocks? The superclass exception must be caught first. Either super or subclass can be caught first. The superclass exception cannot caught first. None of these The superclass exception must be caught first. Either super or subclass can be caught first. The superclass exception cannot caught first. None of these ANSWER DOWNLOAD EXAMIANS APP
JAVA Exceptions Which of the following blocks execute compulsorily whether exception is caught or not. throw throws finally catch throw throws finally catch 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"); } }} "null pointer exception" is printed. "one" is printed. "exception" is printed. None of these Compilation fails saying NullPointerException has already been caught. "null pointer exception" is printed. "one" is printed. "exception" is printed. None of these Compilation fails saying NullPointerException has already been caught. ANSWER DOWNLOAD EXAMIANS APP