What is the 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 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; } }

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

Which checks are performed by compiler when you override a nonprivate method?

Correct way to compile and run a Java console application in file called App.java?

Which implicit modifier is applied to all interface methods?

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

What kinds of properties can a JavaBean have?

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 } }

Which tool has interface to trigger managed beans?

Which statement is true about the given program? public class Test24 { public static void main(String[] args) { byte a = 20; byte b = 4; byte c = a + b; System.out.println(c); } }