JAVA Exceptions In which of the following package Exception class exist? java.net java.io java.lang java.util java.file java.net java.io java.lang java.util java.file 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(); }} None of these Compilation fails-Exception NullPointerException is not compatible with throws clause in Value-A Compilation succeed but no output Name-B printName() None of these Compilation fails-Exception NullPointerException is not compatible with throws clause in Value-A Compilation succeed but no output Name-B printName() 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. Compilation fails saying NullPointerException has already been caught. "one" is printed. None of these "exception" is printed. "null pointer exception" is printed. Compilation fails saying NullPointerException has already been caught. "one" is printed. None of these "exception" is printed. ANSWER DOWNLOAD EXAMIANS APP
JAVA Exceptions Which of the following blocks execute compulsorily whether exception is caught or not. throw finally catch throws throw finally catch throws ANSWER DOWNLOAD EXAMIANS APP
JAVA Exceptions Exception generated in try block is caught in ........... block. throws catch throw finally throws catch throw finally ANSWER DOWNLOAD EXAMIANS APP
JAVA Exceptions Determine output of the following program code?public class Test{ public static void main(String args[]){ int i; try{ i = calculate(); System.out.println(i); }catch(Exception e){ System.out.println("Error occured"); } } static int calculate(){ return (7/2); }} Compilation Error 3 3.5 Error occured None of these Compilation Error 3 3.5 Error occured None of these ANSWER DOWNLOAD EXAMIANS APP
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