JAVA Exceptions In which of the following package Exception class exist? java.lang java.util java.io java.file java.net java.lang java.util java.io java.file java.net 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"); } }} Compilation fails saying NullPointerException has already been caught. "one" is printed. "null pointer exception" is printed. None of these "exception" is printed. Compilation fails saying NullPointerException has already been caught. "one" is printed. "null pointer exception" is printed. None of these "exception" is printed. 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 succeed but no output printName() Compilation fails-Exception NullPointerException is not compatible with throws clause in Value-A None of these Name-B Compilation succeed but no output printName() Compilation fails-Exception NullPointerException is not compatible with throws clause in Value-A None of these Name-B 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); }} Error occured None of these Compilation Error 3.5 3 Error occured None of these Compilation Error 3.5 3 ANSWER DOWNLOAD EXAMIANS APP
JAVA Exceptions Which of the following blocks execute compulsorily whether exception is caught or not. finally catch throw throws finally catch throw throws 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 ? Compilation Error true false None of these Compilation Error true false None of these ANSWER DOWNLOAD EXAMIANS APP
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