JAVA Constructors and Methods The variables declared in a class for the use of all methods of the class are called instance variables reference variables objects None of these instance variables reference variables objects None of these 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 1 Compilation fails due to an error on line 2 Compilation succeed but no output. One Compilation fails due to an error on line 1 Compilation fails due to an error on line 2 Compilation succeed but no output. ANSWER DOWNLOAD EXAMIANS APP
JAVA Constructors and Methods Determine Output:class A{public static void method(int i){System.out.print("Method 1");}public static int method(String str){System.out.print("Method 2");return 0;}}public class Test{ public static void main(String args[]){A.method(5);}} Method 2 Compile time error as final method can't be overloaded Method 1 None of these Method 2 Compile time error as final method can't be overloaded Method 1 None of these ANSWER DOWNLOAD EXAMIANS APP
JAVA Constructors and Methods public class Test { }What is the prototype of the default constructor? Test(void) public Test(void) None of these public Test( ) Test( ) Test(void) public Test(void) None of these public Test( ) Test( ) 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() {} throws IOException examians() throws IOException{} void examians() throws IOException{} void examians(void) throws IOException{} void examians() throw IOException{} void examians() {} throws IOException examians() throws IOException{} void examians() throws IOException{} void examians(void) throws IOException{} void examians() throw IOException{} 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 1 Compilation Error 2 3 None of these 1 Compilation Error 2 3 ANSWER DOWNLOAD EXAMIANS APP