Which class method will be called under lines //Line 1 and //Line 2 in the following

code? class Rectangle { double width, length; Rectangle(double width, double length) {

this.width = width; this.length = length; } double getArea() { double area = width * length; 

return area; } void show() { System.out.println(""The width and length are: "" + width + "", 

"" + length); System.out.println(""The area is: "" + getArea()); } } class Square extends

Rectangle { double width, length; Square(double width) { super(width, width); this.width 

= width; } double getArea() { double area = width * width; return area; } void show() {

System.out.println(""The width is: "" + width); System.out.println(""The area is: "" + 

getArea()); } public static void main(String[] args) { Rectangle shape1 = new

Rectangle(5, 2); Square shape2 = new Square(5); shape1.show(); // Line 1

shape2.show(); // Line 2 } }

What kinds of properties can a JavaBean have?

Is it possible to get mapping information from parent class that entity extends?

Will the following code compile? public interface Repository{ void save(Object data); } public abstract class RepositoryImpl implements Repository{ }

Say we have java entity with date field. For example: @Entity class User{ private Date joinDate; public Date getJoinDate(){ return joinDate; } public void setJoinDate(Date joinDate){ this.joinDate = joinDate; } } What JPA annotation will help us specify date format that will be used in database?

Which will compile without any error?

What is the value of 'd' after this line of code has been executed? double d=Math.round(2.5+Math.round());

Which statement is true about the given code? public class Test78 { public static void main(String[] args) throws Exception { new JBean().setHeight(1).setWidth(2).setDepth(3).setDensity(9); } } class JBean { private int height, width, depth, density; public JBean setHeight (int h) { this.height = h; return this; } public JBean setWidth (int w) { this.width = w; return this; } public JBean setDepth (int d) { this.depth = d; return this; } public JBean setDensity (int d) { this.density = d; return this; } }

Output of the given code? public class Test15 { public static void main(String[] args) { VO a = new VO(2); VO b = new VO(3); swapONE(a, b); print(a, b); swapTWO(a, b); print(a, b); } private static void print(VO a, VO b) { System.out.print(a.toString() + b.toString()); } public static void swapONE(VO a, VO b) { VO tmp = a; a = b; b = tmp; } public static void swapTWO(VO a, VO b) { int tmp = a.x; a.x = b.x; b.x = tmp; } } class VO { public int x; public VO(int x) { this.x = x; } public String toString() { return String.valueOf(x); } }

Which type(s) cannot be used as generics?

Which is true? (Choose all that apply) public class UpWork { public staic void main(String[] args) { UpWorkupw = new UpWork(); }}