JAVA Exceptions In which of the following package Exception class exist? java.lang java.file java.io java.net java.util java.lang java.file java.io java.net java.util 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. "exception" is printed. "one" is printed. None of these "null pointer exception" is printed. Compilation fails saying NullPointerException has already been caught. "exception" is printed. "one" is printed. None of these "null pointer exception" is printed. 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"); } }} nothing is printed "error" is printed "doBdoAerror" is printed "doCdoBdoA" is printed "doAdoBdoC" is printed nothing is printed "error" is printed "doBdoAerror" is printed "doCdoBdoA" is printed "doAdoBdoC" is printed ANSWER DOWNLOAD EXAMIANS APP
JAVA Exceptions What is the output for the below code ?import java.io.FileNotFoundException;class A{ public void printName() throws FileNotFoundException{ System.out.println("Value-A"); }}class B extends A{ public void printName() throws NullPointerException{ System.out.println("Name-B"); }}public class Test{ public static void main (String[] args) throws Exception{ A a = new B(); a.printName(); }} Value-A printName() Compilation succeed but no output None of these Compilation fails-Exception NullPointerException is not compatible with throws clause in Name-B Value-A printName() Compilation succeed but no output None of these Compilation fails-Exception NullPointerException is not compatible with throws clause in Name-B 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 inCatchBlock inFinallyBlock The program will return without printing anything inCatchBlock inFinallyBlock inCatchBlock inFinallyBlock ANSWER DOWNLOAD EXAMIANS APP
JAVA Exceptions public class Test{ public static void main(String args[]){ try{ int a = Integer.parseInt("four"); } }}Which exception could be handled by the catch block for above? ArrayIndexOutOfBoundsException IllegalStateException None of these ClassCastException NumberFormatException ArrayIndexOutOfBoundsException IllegalStateException None of these ClassCastException NumberFormatException ANSWER DOWNLOAD EXAMIANS APP
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