JAVA Exceptions In which of the following package Exception class exist? java.net java.io java.util java.lang java.file java.net java.io java.util java.lang java.file ANSWER DOWNLOAD EXAMIANS APP
JAVA Exceptions Exception generated in try block is caught in ........... block. finally catch throws throw finally catch throws throw 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. "null pointer exception" is printed. "exception" is printed. "one" is printed. None of these Compilation fails saying NullPointerException has already been caught. "null pointer exception" is printed. "exception" is printed. "one" is printed. None of these ANSWER DOWNLOAD EXAMIANS APP
JAVA Exceptions What will be the result if NullPointerException occurs at line 2?1. try{2. //some code goes here3. }4. catch(NullPointerException ne){5. System.out.print("1 ");6. }7. catch(RuntimeException re){8. System.out.print("2 ");9. }10. finally{11. System.out.print("3");12. } 3 1 3 1 2 3 1 2 3 3 1 3 1 2 3 1 2 3 ANSWER DOWNLOAD EXAMIANS APP
JAVA Exceptions The class at the top of exception class hierarchy is ................. Object Exception Throwable ArithmeticException Object Exception Throwable ArithmeticException 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 "doAdoBdoC" is printed "doCdoBdoA" is printed "doBdoAerror" is printed nothing is printed "error" is printed "doAdoBdoC" is printed "doCdoBdoA" is printed "doBdoAerror" is printed nothing is printed ANSWER DOWNLOAD EXAMIANS APP
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