JAVA Constructors and Methods class A{ A(String s){} A(){}}1. class B extends A{2. B(){}3. B(String s){4. super(s);5. }6. void test(){7. // insert code here8. }9. }Which of the below code can be insert at line 7 to make clean compilation ? A a = new A(String s); A a = new B(); All of these A a = new B(5); None of these A a = new A(String s); A a = new B(); All of these A a = new B(5); None of these 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 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() throw IOException{} void examians(void) throws IOException{} examians() throws IOException{} void examians() {} throws IOException void examians() throws IOException{} void examians() throw IOException{} void examians(void) throws IOException{} examians() throws IOException{} void examians() {} throws IOException void examians() throws IOException{} ANSWER DOWNLOAD EXAMIANS APP
JAVA Constructors and Methods What is Math.floor(3.6)? 3 3.0 4.0 4 3 3.0 4.0 4 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 1 3 None of these Compilation Error 2 1 3 None of these Compilation Error ANSWER DOWNLOAD EXAMIANS APP
JAVA Constructors and Methods The finalize() method is called just prior to An object or variable goes out of scope. A variable goes out of scope. An object, variable or method goes out of scope. Before garbage collection. None of these An object or variable goes out of scope. A variable goes out of scope. An object, variable or method goes out of scope. Before garbage collection. None of these ANSWER DOWNLOAD EXAMIANS APP
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