JAVA Constructors and Methods class A{ A(String s){} A(){}}1. class B extends A{2. B(){}3. B(String s){4. super(s);5. }6. void test(){7. // insert code here8. }9. }Which of the below code can be insert at line 7 to make clean compilation ? All of these A a = new A(String s); None of these A a = new B(); A a = new B(5); All of these A a = new A(String s); None of these A a = new B(); A a = new B(5); ANSWER DOWNLOAD EXAMIANS APP
JAVA Constructors and Methods What is the output for the below code?public class Test{ public static void printValue(int i, int j, int k){ System.out.println("int"); } public static void printValue(byte...b){ System.out.println("long"); } public static void main(String... args){ byte b = 9; printValue(b,b,b); }} int long None of these Compilation fails Compilation clean but throws RuntimeException int long None of these Compilation fails Compilation clean but throws RuntimeException ANSWER DOWNLOAD EXAMIANS APP
JAVA Constructors and Methods class MyClass{int i;int j;public MyClass(int i, int j){this.i = i;this.j = j;}public void call(){System.out.print("One");}}public class Test{public static void main(String args[]){MyClass m = new MyClass(); //line 1m.call(); //line 2}} Compilation fails due to an error on line 2 Compilation fails due to an error on line 1 One Compilation succeed but no output. Compilation fails due to an error on line 2 Compilation fails due to an error on line 1 One Compilation succeed but no output. ANSWER DOWNLOAD EXAMIANS APP
JAVA Constructors and Methods The implicit return type of a constructor is void There is no return type. None of these A class object in which it is defined. void There is no return type. None of these A class object in which it is defined. ANSWER DOWNLOAD EXAMIANS APP
JAVA Constructors and Methods Which of the following statements regarding static methods are correct?1. Static methods are difficult to maintain, because you can not change their implementation.2. Static methods can be called using an object reference to an object of the class in which this method is defined.3. Static methods are always public, because they are defined at class-level.4. Static methods do not have direct access to non-static methods which are defined inside the same class. 1 and 2 2 and 4 1 and 3 3 and 4 1 and 2 2 and 4 1 and 3 3 and 4 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.} 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 Compile fail due to error on line no 2 None of these ANSWER DOWNLOAD EXAMIANS APP
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