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() + 0.2) (int)Math.random() + 1 (int)Math.random() (int)(Math.random() + 0.5) (int)(Math.random() + 0.2) (int)Math.random() + 1 (int)Math.random() 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();}} Wild Animal Compilation Error Runtime Exception Animal Wild Wild Animal Compilation Error Runtime Exception Animal Wild ANSWER DOWNLOAD EXAMIANS APP
JAVA Constructors and Methods The main method should be static for the reason None of these It can be executed without creating any instance of the class. It can be accessed easily by the class loader. It can be accessed by every method or variable without any hindrance. None of these It can be executed without creating any instance of the class. It can be accessed easily by the class loader. It can be accessed by every method or variable without any hindrance. 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 1 and 3 2 and 4 1 and 2 3 and 4 1 and 3 2 and 4 1 and 2 ANSWER DOWNLOAD EXAMIANS APP
JAVA Constructors and Methods Determine Output:class A{public static void method(int i){System.out.print("Method 1");}public static int method(String str){System.out.print("Method 2");return 0;}}public class Test{ public static void main(String args[]){A.method(5);}} Method 2 Compile time error as final method can't be overloaded None of these Method 1 Method 2 Compile time error as final method can't be overloaded None of these Method 1 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 instance variables objects None of these reference variables instance variables objects None of these reference variables ANSWER DOWNLOAD EXAMIANS APP
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