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() {} throws IOException void examians() throws IOException{} examians() throws IOException{} void examians() throw IOException{} void examians(void) throws IOException{} void examians() {} throws IOException void examians() throws IOException{} examians() throws IOException{} void examians() throw IOException{} void examians(void) throws IOException{} ANSWER DOWNLOAD EXAMIANS APP
JAVA Constructors and Methods What is the output of the program?class Test{ public int display(int x, int y){ return ("The sum of x and y is " + x + y); } public static void main(String args[]){ Test test = new Test(); System.out.println(test.display(4,5)); } } does not compile The sum of x and y is 45 None of these The sum of x and y is 9 does not compile The sum of x and y is 45 None of these The sum of x and y is 9 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? 5 0 0 8 5 8 0 0 5 0 0 8 5 8 0 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++; }} None of these 2 Compilation Error 3 1 None of these 2 Compilation Error 3 1 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. 2 and 4 1 and 3 3 and 4 1 and 2 2 and 4 1 and 3 3 and 4 1 and 2 ANSWER DOWNLOAD EXAMIANS APP
JAVA Constructors and Methods What is the output for the below code?public class Test{ public static void printValue(int i, int j, int k){ System.out.println("int"); } public static void printValue(byte...b){ System.out.println("long"); } public static void main(String... args){ byte b = 9; printValue(b,b,b); }} None of these int Compilation fails Compilation clean but throws RuntimeException long None of these int Compilation fails Compilation clean but throws RuntimeException long ANSWER DOWNLOAD EXAMIANS APP
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