JAVA Exceptions Which of the following blocks execute compulsorily whether exception is caught or not. throw finally catch throws throw finally catch throws ANSWER DOWNLOAD EXAMIANS APP
JAVA Exceptions The class at the top of exception class hierarchy is ................. Throwable ArithmeticException Exception Object Throwable ArithmeticException Exception Object 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); }} None of these Error occured 3.5 Compilation Error 3 None of these Error occured 3.5 Compilation Error 3 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. "exception" is printed. None of these Compilation fails saying NullPointerException has already been caught. "one" is printed. "null pointer exception" is printed. "exception" is printed. None of these 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 false None of these true Compilation Error false None of these true ANSWER DOWNLOAD EXAMIANS APP
JAVA Exceptions What will be the result after the class Test execution?class A{ public void doA(){ B b = new B(); b.dobB(); System.out.print("doA"); }}class B{ public void dobB(){ C c = new C(); c.doC(); System.out.print("doB"); }}class C{ public void doC(){ if(true) throw new NullPointerException(); System.out.print("doC"); }}public class Test{ public static void main(String args[]){ try{ A a = new A(); a.doA(); }catch(Exception ex){ System.out.print("error"); } }} nothing is printed "doBdoAerror" is printed "doCdoBdoA" is printed "doAdoBdoC" is printed "error" is printed nothing is printed "doBdoAerror" is printed "doCdoBdoA" is printed "doAdoBdoC" is printed "error" is printed ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS