JAVA Exceptions The class at the top of exception class hierarchy is ................. Object ArithmeticException Throwable Exception Object ArithmeticException Throwable Exception 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 2 3 1 3 2 3 3 1 1 2 3 1 3 2 3 3 1 ANSWER DOWNLOAD EXAMIANS APP
JAVA Exceptions What will be the output?class MyClass{ public String test(){ try{ System.out.print("One"); return ""; } finally{ System.out.print("Two"); } }}public class Test{ public static void main(String args[]){ MyClass m = new MyClass(); m.test(); }} Compilation Error One One Two Two None of these Compilation Error One One Two Two None of these ANSWER DOWNLOAD EXAMIANS APP
JAVA Exceptions In which of the following package Exception class exist? java.util java.io java.lang java.file java.net java.util java.io java.lang java.file java.net 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 nothing is printed "doBdoAerror" is printed "error" is printed "doCdoBdoA" is printed "doAdoBdoC" is printed nothing is printed "doBdoAerror" is printed "error" is printed "doCdoBdoA" is printed ANSWER DOWNLOAD EXAMIANS APP
JAVA Exceptions try{ File f = new File("a.txt");}catch(Exception e){}catch(IOException io){}Is this code create new file name a.txt ? Compilation Error None of these false true Compilation Error None of these false true ANSWER DOWNLOAD EXAMIANS APP
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