JAVA Constructors and Methods The implicit return type of a constructor is void A class object in which it is defined. There is no return type. None of these void A class object in which it is defined. There is no return type. None of these ANSWER DOWNLOAD EXAMIANS APP
JAVA Constructors and Methods Determine output of the following program.public class Test{ public static void main(String args[]){ System.out.println( Math.floor( Math.random( ) ) ) ; }} 1.0 0.0 0.5 10.0 1.0 0.0 0.5 10.0 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() + 1 (int)(Math.random() + 0.5) (int)(Math.random() + 0.2) (int)Math.random() (int)Math.random() + 1 (int)(Math.random() + 0.5) (int)(Math.random() + 0.2) (int)Math.random() 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}} One Compilation fails due to an error on line 1 Compilation succeed but no output. Compilation fails due to an error on line 2 One Compilation fails due to an error on line 1 Compilation succeed but no output. Compilation fails due to an error on line 2 ANSWER DOWNLOAD EXAMIANS APP
JAVA Constructors and Methods The following code contains one compilation error, find it?public class Test {Test() { } // line 1static void Test() { this(); } // line 2 public static void main(String[] args) { // line 3Test(); // line 4}} At line 2, constructor call At line 1, constructor Tester must be marked public like its class At line 3, compilation error, ambiguity problem, compiler can't determine whether a constructor At line 4 At line 2, constructor call At line 1, constructor Tester must be marked public like its class At line 3, compilation error, ambiguity problem, compiler can't determine whether a constructor At line 4 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. 3 and 4 2 and 4 1 and 2 1 and 3 3 and 4 2 and 4 1 and 2 1 and 3 ANSWER DOWNLOAD EXAMIANS APP
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