JAVA Constructors and Methods public class Test { }What is the prototype of the default constructor? public Test( ) None of these public Test(void) Test( ) Test(void) public Test( ) None of these public Test(void) Test( ) Test(void) 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 0 5 8 5 0 0 8 0 0 5 8 5 0 0 8 ANSWER DOWNLOAD EXAMIANS APP
JAVA Constructors and Methods What is the expected output?class Animal {Animal() {System.out.println("Animal");}}class Wild extends Animal{Wild() {System.out.println("Wild");super();}}public class Test {public static void main(String args[]) {Wild wild = new Wild();}} Runtime Exception Compilation Error Animal Wild Wild Animal Runtime Exception Compilation Error Animal Wild Wild Animal 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? Array Heap Stack Storage Area Array Heap Stack Storage Area 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); All of these A a = new B(5); A a = new B(); None of these A a = new A(String s); All of these A a = new B(5); A a = new B(); 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. 2 and 4 3 and 4 1 and 2 1 and 3 2 and 4 3 and 4 1 and 2 1 and 3 ANSWER DOWNLOAD EXAMIANS APP
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