JAVA Constructors and Methods What is Math.floor(3.6)? 4 3.0 4.0 3 4 3.0 4.0 3 ANSWER DOWNLOAD EXAMIANS APP
JAVA Constructors and Methods What is the output for the below code ?1. public class A{2. int add(int i, int j){3. return i+j;4. }5. }6. public class B extends A{7. public static void main(String argv[]){8. short s = 9;9. System.out.println(add(s,6));10. }11.} Compile fail due to error on line no 2 None of these 15 Compile fail due to error on line no 9 Compile fail due to error on line no 8 Compile fail due to error on line no 2 None of these 15 Compile fail due to error on line no 9 Compile fail due to error on line no 8 ANSWER DOWNLOAD EXAMIANS APP
JAVA Constructors and Methods Determine output:public class Test{ public static void main(String args[]){ MyClass obj = new MyClass(); obj.val = 1; obj.call(obj); System.out.println(obj.val); }}class MyClass{ public int val; public void call(MyClass ref){ ref.val++; }} 1 Compilation Error 3 None of these 2 1 Compilation Error 3 None of these 2 ANSWER DOWNLOAD EXAMIANS APP
JAVA Constructors and Methods The following code contains one compilation error, find it?public class Test {Test() { } // line 1static void Test() { this(); } // line 2 public static void main(String[] args) { // line 3Test(); // line 4}} At line 2, constructor call At line 1, constructor Tester must be marked public like its class At line 3, compilation error, ambiguity problem, compiler can't determine whether a constructor At line 4 At line 2, constructor call At line 1, constructor Tester must be marked public like its class At line 3, compilation error, ambiguity problem, compiler can't determine whether a constructor At line 4 ANSWER DOWNLOAD EXAMIANS APP
JAVA Constructors and Methods Which of the modifier can't be used for constructors? private public static protected private public static protected ANSWER DOWNLOAD EXAMIANS APP
JAVA Constructors and Methods What is the output of the above program ?class Num { Num(double x ){ System.out.println( x ) ; } }public class Test extends Num { public static void main(String[] args){ Num num = new Num( 2 ) ; } } 2.0 None of these 0 Compile time error 2.0 None of these 0 Compile time error ANSWER DOWNLOAD EXAMIANS APP
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