JAVA Constructors and Methods public class Test { }What is the prototype of the default constructor? None of these Test( ) public Test(void) Test(void) public Test( ) None of these Test( ) public Test(void) Test(void) public Test( ) 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++; }} 1 None of these 3 Compilation Error 2 1 None of these 3 Compilation Error 2 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() + 1 (int)(Math.random() + 0.2) (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) 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 Compilation fails due to an error on line 1 Compilation succeed but no output. One Compilation fails due to an error on line 2 Compilation fails due to an error on line 1 Compilation succeed but no output. One 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 accessed easily by the class loader. None of these It can be executed without creating any instance of the class. It can be accessed by every method or variable without any hindrance. It can be accessed easily by the class loader. None of these It can be executed without creating any instance of the class. 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); }} Compilation clean but throws RuntimeException None of these Compilation fails long int Compilation clean but throws RuntimeException None of these Compilation fails long int ANSWER DOWNLOAD EXAMIANS APP
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