JAVA Exceptions In which of the following package Exception class exist? java.util java.io java.net java.lang java.file java.util java.io java.net java.lang java.file 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"); } }} "error" is printed nothing is printed "doCdoBdoA" is printed "doBdoAerror" is printed "doAdoBdoC" is printed "error" is printed nothing is printed "doCdoBdoA" is printed "doBdoAerror" is printed "doAdoBdoC" is printed ANSWER DOWNLOAD EXAMIANS APP
JAVA Exceptions Which of the following blocks execute compulsorily whether exception is caught or not. throw finally throws catch throw finally throws catch ANSWER DOWNLOAD EXAMIANS APP
JAVA Exceptions What is the output of the following program code?public class Test{ public static void main(String args[]){ try{ int i; return; } catch(Exception e){ System.out.print("inCatchBlock"); } finally{ System.out.println("inFinallyBlock"); } }} The program will return without printing anything inCatchBlock inFinallyBlock inFinallyBlock inCatchBlock The program will return without printing anything inCatchBlock inFinallyBlock inFinallyBlock inCatchBlock 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"); } }} None of these Compilation fails saying NullPointerException has already been caught. "one" is printed. "exception" is printed. "null pointer exception" is printed. None of these Compilation fails saying NullPointerException has already been caught. "one" is printed. "exception" is printed. "null pointer exception" is printed. ANSWER DOWNLOAD EXAMIANS APP
JAVA Exceptions What happen in case of multiple catch blocks? The superclass exception cannot caught first. Either super or subclass can be caught first. The superclass exception must be caught first. None of these The superclass exception cannot caught first. Either super or subclass can be caught first. The superclass exception must be caught first. None of these ANSWER DOWNLOAD EXAMIANS APP