JAVA Constructors and Methods Which of the modifier can't be used for constructors? static protected public private static protected public private 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 ) ; } } Compile time error 0 None of these 2.0 Compile time error 0 None of these 2.0 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 void examians() throw IOException{} void examians() throws IOException{} void examians(void) throws IOException{} examians() throws IOException{} void examians() {} throws IOException void examians() throw IOException{} void examians() throws IOException{} void examians(void) throws IOException{} examians() throws IOException{} ANSWER DOWNLOAD EXAMIANS APP
JAVA Constructors and Methods What is the output of the program?class Test{ public int display(int x, int y){ return ("The sum of x and y is " + x + y); } public static void main(String args[]){ Test test = new Test(); System.out.println(test.display(4,5)); } } None of these does not compile The sum of x and y is 45 The sum of x and y is 9 None of these does not compile The sum of x and y is 45 The sum of x and y is 9 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 0 8 5 8 5 0 0 0 0 8 5 8 5 0 ANSWER DOWNLOAD EXAMIANS APP
JAVA Constructors and Methods What is the expected output?public class Profile { private Profile(int w) { // line 1 System.out.print(w); } public static Profile() { // line 5 System.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 10 50 Won't compile because of line (5), constructor can't be static 50 Won't compile because of line (1), constructor can't be private 10 50 Won't compile because of line (5), constructor can't be static 50 ANSWER DOWNLOAD EXAMIANS APP
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