JAVA Exceptions Which of the following blocks execute compulsorily whether exception is caught or not. catch throws throw finally catch throws throw finally 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"); } }} "doAdoBdoC" is printed "doBdoAerror" is printed nothing is printed "doCdoBdoA" is printed "error" is printed "doAdoBdoC" is printed "doBdoAerror" is printed nothing is printed "doCdoBdoA" is printed "error" is printed 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 Compilation Error 3.5 None of these Error occured 3 Compilation Error 3.5 None of these Error occured 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
JAVA Exceptions What will be the result of executing the following code?public class Test{ public void divide(int a, int b){ try{ int c = a / b; }catch(Exception e){ System.out.print("Exception "); }finally{ System.out.println("Finally"); } public static void main(String args[]){ Test t = new Test(); t.divide(0,3); }} Compile with error Prints out: Exception Prints out: Finally None of these Prints out: Exception Finally Compile with error Prints out: Exception Prints out: Finally None of these Prints out: Exception Finally ANSWER DOWNLOAD EXAMIANS APP
JAVA Exceptions The class at the top of exception class hierarchy is ................. Object Exception ArithmeticException Throwable Object Exception ArithmeticException Throwable ANSWER DOWNLOAD EXAMIANS APP
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