JAVA Constructors and Methods The implicit return type of a constructor is None of these A class object in which it is defined. void There is no return type. None of these A class object in which it is defined. void There is no return type. 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 2 Compilation succeed but no output. Compilation fails due to an error on line 1 One Compilation fails due to an error on line 2 Compilation succeed but no output. Compilation fails due to an error on line 1 ANSWER DOWNLOAD EXAMIANS APP
JAVA Constructors and Methods The finalize() method is called just prior to Before garbage collection. A variable goes out of scope. An object or variable goes out of scope. An object, variable or method goes out of scope. None of these Before garbage collection. A variable goes out of scope. An object or variable goes out of scope. An object, variable or method goes out of scope. 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 ) ; } } 2.0 Compile time error 0 None of these 2.0 Compile time error 0 None of these ANSWER DOWNLOAD EXAMIANS APP
JAVA Constructors and Methods Which of these is a legal definition of a method named examveda assuming it throws IOException, and returns void. Also assume that the method does not take any arguments. Select the one correct answer. void examians(void) throws IOException{} void examians() {} throws IOException void examians() throws IOException{} void examians() throw IOException{} examians() throws IOException{} void examians(void) throws IOException{} void examians() {} throws IOException void examians() throws IOException{} void examians() throw IOException{} examians() throws IOException{} 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 2 1 and 3 2 and 4 3 and 4 1 and 2 1 and 3 2 and 4 ANSWER DOWNLOAD EXAMIANS APP
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