JAVA Exceptions try{ File f = new File("a.txt");}catch(Exception e){}catch(IOException io){}Is this code create new file name a.txt ? None of these Compilation Error true false None of these Compilation Error true false 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); }} Prints out: Exception Prints out: Finally Prints out: Exception Finally Compile with error None of these Prints out: Exception Prints out: Finally Prints out: Exception Finally Compile with error None of these 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 "doCdoBdoA" is printed nothing is printed "error" is printed "doAdoBdoC" is printed "doBdoAerror" is printed "doCdoBdoA" is printed nothing is printed "error" is printed 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. } 1 3 1 2 3 1 3 2 3 1 3 1 2 3 1 3 2 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"); } }} "exception" is printed. "one" is printed. Compilation fails saying NullPointerException has already been caught. "null pointer exception" is printed. None of these "exception" is printed. "one" is printed. Compilation fails saying NullPointerException has already been caught. "null pointer exception" is printed. None of these ANSWER DOWNLOAD EXAMIANS APP
JAVA Exceptions The class at the top of exception class hierarchy is ................. ArithmeticException Throwable Object Exception ArithmeticException Throwable Object Exception ANSWER DOWNLOAD EXAMIANS APP
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