JAVA Constructors and Methods The variables declared in a class for the use of all methods of the class are called instance variables objects reference variables None of these instance variables objects reference variables None of these ANSWER DOWNLOAD EXAMIANS APP
JAVA Constructors and Methods What is the output for the below code ?class A{ public A(){ System.out.println("A"); } public A(int i){ this(); System.out.println(i); }}class B extends A{ public B(){ System.out.println("B"); } public B(int i){ this(); System.out.println(i+3); }}public class Test{ public static void main (String[] args){ new B(5); }} A B 8 None of these A B 5 A 5 B 8 B 8 A 5 A B 8 None of these A B 5 A 5 B 8 B 8 A 5 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() (int)(Math.random() + 0.5) (int)Math.random() + 1 (int)(Math.random() + 0.2) (int)Math.random() (int)(Math.random() + 0.5) (int)Math.random() + 1 (int)(Math.random() + 0.2) 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 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);}} Compile time error as final method can't be overloaded None of these Method 2 Method 1 Compile time error as final method can't be overloaded None of these Method 2 Method 1 ANSWER DOWNLOAD EXAMIANS APP
JAVA Constructors and Methods The main method should be static for the reason It can be executed without creating any instance of the class. It can be accessed by every method or variable without any hindrance. It can be accessed easily by the class loader. None of these It can be executed without creating any instance of the class. It can be accessed by every method or variable without any hindrance. It can be accessed easily by the class loader. None of these ANSWER DOWNLOAD EXAMIANS APP
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