JAVA Constructors and Methods public class Test { }What is the prototype of the default constructor? Test( ) Test(void) public Test(void) None of these public Test( ) Test( ) Test(void) public Test(void) None of these public Test( ) 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 Compile fail due to error on line no 8 None of these 15 Compile fail due to error on line no 9 Compile fail due to error on line no 2 Compile fail due to error on line no 8 None of these 15 Compile fail due to error on line no 9 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 ) ; } } Compile time error 2.0 0 None of these Compile time error 2.0 0 None of these ANSWER DOWNLOAD EXAMIANS APP
JAVA Constructors and Methods The main method should be static for the reason It can be accessed easily by the class loader. It can be executed without creating any instance of the class. It can be accessed by every method or variable without any hindrance. None of these It can be accessed easily by the class loader. It can be executed without creating any instance of the class. It can be accessed by every method or variable without any hindrance. None of these ANSWER DOWNLOAD EXAMIANS APP
JAVA Constructors and Methods The variables declared in a class for the use of all methods of the class are called instance variables None of these reference variables objects instance variables None of these reference variables objects ANSWER DOWNLOAD EXAMIANS APP
JAVA Constructors and Methods What is the output for the below code ?class A{ public A(){ System.out.println("A"); } public A(int i){ this(); System.out.println(i); }}class B extends A{ public B(){ System.out.println("B"); } public B(int i){ this(); System.out.println(i+3); }}public class Test{ public static void main (String[] args){ new B(5); }} A B 5 A 5 B 8 None of these A B 8 B 8 A 5 A B 5 A 5 B 8 None of these A B 8 B 8 A 5 ANSWER DOWNLOAD EXAMIANS APP
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