JAVA Constructors and Methods The variables declared in a class for the use of all methods of the class are called instance variables reference variables objects None of these instance variables reference variables objects None of these ANSWER DOWNLOAD EXAMIANS APP
JAVA Constructors and Methods Which of these is a legal definition of a method named examveda assuming it throws IOException, and returns void. Also assume that the method does not take any arguments. Select the one correct answer. void examians() {} throws IOException examians() throws IOException{} void examians() throws IOException{} void examians() throw IOException{} void examians(void) throws IOException{} void examians() {} throws IOException examians() throws IOException{} void examians() throws IOException{} void examians() throw IOException{} void examians(void) throws IOException{} 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 8 0 0 0 8 5 0 5 8 0 0 0 8 5 0 ANSWER DOWNLOAD EXAMIANS APP
JAVA Constructors and Methods Determine output:public class Test{ public static void main(String args[]){ MyClass obj = new MyClass(); obj.val = 1; obj.call(obj); System.out.println(obj.val); }}class MyClass{ public int val; public void call(MyClass ref){ ref.val++; }} None of these Compilation Error 3 2 1 None of these Compilation Error 3 2 1 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 Animal Wild Wild Animal Compilation Error Runtime Exception Animal Wild Wild Animal Compilation Error ANSWER DOWNLOAD EXAMIANS APP
JAVA Constructors and Methods What is the expected output?public class Profile {private Profile(int w) { // line 1System.out.print(w);}public final Profile() { // line 5System.out.print(10);}public static void main(String args[]) {Profile obj = new Profile(50);}} Won't compile because of line (1); constructor can't be private 50 10 50 Won't compile because of line (5); constructor can't be final Won't compile because of line (1); constructor can't be private 50 10 50 Won't compile because of line (5); constructor can't be final ANSWER DOWNLOAD EXAMIANS APP
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