JAVA Exceptions In which of the following package Exception class exist? java.util java.file java.net java.lang java.io java.util java.file java.net java.lang java.io 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"); } }} "doCdoBdoA" is printed "doBdoAerror" is printed "error" is printed "doAdoBdoC" is printed nothing is printed "doCdoBdoA" is printed "doBdoAerror" is printed "error" is printed "doAdoBdoC" is printed nothing 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
JAVA Exceptions Exception generated in try block is caught in ........... block. throws finally throw catch throws finally throw catch ANSWER DOWNLOAD EXAMIANS APP
JAVA Exceptions Which exception is thrown when divide by zero statement executes? NumberFormatException None of these ArithmeticException NullPointerException NumberFormatException None of these ArithmeticException NullPointerException 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. Compilation fails saying NullPointerException has already been caught. "exception" is printed. None of these "null pointer exception" is printed. "one" is printed. Compilation fails saying NullPointerException has already been caught. "exception" is printed. None of these ANSWER DOWNLOAD EXAMIANS APP
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