JAVA Constructors and Methods public class Test { }What is the prototype of the default constructor? None of these public Test( ) Test( ) public Test(void) Test(void) None of these public Test( ) Test( ) public Test(void) Test(void) 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}} Compilation fails due to an error on line 2 One Compilation fails due to an error on line 1 Compilation succeed but no output. Compilation fails due to an error on line 2 One Compilation fails due to an error on line 1 Compilation succeed but no output. ANSWER DOWNLOAD EXAMIANS APP
JAVA Constructors and Methods What is the expected output?class Animal {Animal() {System.out.println("Animal");}}class Wild extends Animal{Wild() {System.out.println("Wild");super();}}public class Test {public static void main(String args[]) {Wild wild = new Wild();}} Compilation Error Runtime Exception Wild Animal Animal Wild Compilation Error Runtime Exception Wild Animal Animal Wild 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++; }} 3 2 1 None of these Compilation Error 3 2 1 None of these Compilation Error 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 8 5 0 5 8 0 0 0 8 5 0 5 8 0 0 ANSWER DOWNLOAD EXAMIANS APP
JAVA Constructors and Methods What is Math.floor(3.6)? 3 4 4.0 3.0 3 4 4.0 3.0 ANSWER DOWNLOAD EXAMIANS APP
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