JAVA Constructors and Methods public class Test { }What is the prototype of the default constructor? public Test(void) Test( ) Test(void) public Test( ) None of these public Test(void) Test( ) Test(void) public Test( ) None of these 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 ) ; } } None of these Compile time error 0 2.0 None of these Compile time error 0 2.0 ANSWER DOWNLOAD EXAMIANS APP
JAVA Constructors and Methods Determine output:public class Test{ public static void main(String args[]){ MyClass obj = new MyClass(); obj.val = 1; obj.call(obj); System.out.println(obj.val); }}class MyClass{ public int val; public void call(MyClass ref){ ref.val++; }} 2 Compilation Error None of these 1 3 2 Compilation Error None of these 1 3 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() + 0.2) (int)Math.random() (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) ANSWER DOWNLOAD EXAMIANS APP
JAVA Constructors and Methods The finalize() method is called just prior to 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. 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 ANSWER DOWNLOAD EXAMIANS APP
JAVA Constructors and Methods The main method should be static for the reason It can be accessed by every method or variable without any hindrance. It can be executed without creating any instance of the class. None of these It can be accessed easily by the class loader. It can be accessed by every method or variable without any hindrance. It can be executed without creating any instance of the class. None of these It can be accessed easily by the class loader. ANSWER DOWNLOAD EXAMIANS APP
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