JAVA Constructors and Methods The variables declared in a class for the use of all methods of the class are called reference variables instance variables None of these objects reference variables instance variables None of these objects ANSWER DOWNLOAD EXAMIANS APP
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 ? None of these A a = new A(String s); A a = new B(); All of these A a = new B(5); None of these A a = new A(String s); A a = new B(); All of these A a = new B(5); 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 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. Compilation fails due to an error on line 2 Compilation fails due to an error on line 1 One ANSWER DOWNLOAD EXAMIANS APP
JAVA Constructors and Methods The finalize() method is called just prior to A variable goes out of scope. None of these An object or variable goes out of scope. An object, variable or method goes out of scope. Before garbage collection. A variable goes out of scope. None of these An object or variable goes out of scope. An object, variable or method goes out of scope. Before garbage collection. 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? 5 0 0 0 0 8 5 8 5 0 0 0 0 8 5 8 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 Compile time error 0 2.0 None of these Compile time error 0 ANSWER DOWNLOAD EXAMIANS APP
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