JAVA Constructors and Methods public class Test { }What is the prototype of the default constructor? public Test( ) Test( ) None of these Test(void) public Test(void) public Test( ) Test( ) None of these Test(void) public Test(void) ANSWER DOWNLOAD EXAMIANS APP
JAVA Constructors and Methods Which of the following options is the best for generating random integer 0 or 1? (int)(Math.random() + 0.5) (int)Math.random() (int)Math.random() + 1 (int)(Math.random() + 0.2) (int)(Math.random() + 0.5) (int)Math.random() (int)Math.random() + 1 (int)(Math.random() + 0.2) ANSWER DOWNLOAD EXAMIANS APP
JAVA Constructors and Methods The finalize() method is called just prior to An object, variable or method goes out of scope. An object or variable goes out of scope. A variable goes out of scope. None of these Before garbage collection. An object, variable or method goes out of scope. An object or variable goes out of scope. A variable goes out of scope. None of these Before garbage collection. 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. One Compilation fails due to an error on line 2 Compilation fails due to an error on line 1 Compilation succeed but no output. One Compilation fails due to an error on line 2 Compilation fails due to an error on line 1 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 None of these 0 2.0 Compile time error None of these 0 2.0 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 objects instance variables reference variables None of these objects instance variables reference variables None of these ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS