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 ? A a = new B(); None of these A a = new A(String s); A a = new B(5); All of these A a = new B(); None of these A a = new A(String s); A a = new B(5); All of these 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 1 Compilation fails due to an error on line 2 One Compilation succeed but no output. Compilation fails due to an error on line 1 Compilation fails due to an error on line 2 One Compilation succeed but no output. 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 reference variables objects None of these instance variables reference variables objects None of these instance variables 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); }} Compilation clean but throws RuntimeException long Compilation fails int None of these Compilation clean but throws RuntimeException long Compilation fails int None of these ANSWER DOWNLOAD EXAMIANS APP
JAVA Constructors and Methods Given the following piece of code:class Person{ public int number;}public class Test{ public void doIt(int i , Person p){ i = 5; p.number = 8; } public static void main(String args[]){ int x = 0; Person p = new Person(); new Test().doIt(x, p); System.out.println(x + " " + p.number); }}What is the result? 0 8 0 0 5 8 5 0 0 8 0 0 5 8 5 0 ANSWER DOWNLOAD EXAMIANS APP
JAVA Constructors and Methods In which area of memory, the system stores parameters and local variables whenever a method is invoked? Heap Stack Storage Area Array Heap Stack Storage Area Array ANSWER DOWNLOAD EXAMIANS APP
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