We can create object for interface.

A class can implement interface having same method name but different return type.

Which of these class is superclass of String and StringBuffer class?

Which of the following events are not there in java fx?

Which package contains Date/Time?

Match the following

octal (base 8) ---- 0b10010; (1)

hexadecimal (base 16) ---- 0x2F; (2)

binary (base 2) ---- 027; (3)

Which of these method of class String is used to extract a single character from a String object?

A class can implement how many interfaces.

Which of these method of class String is used to compare two String objects for their equality?

Byte stream class uses read and write methods

String buffer doesn't support

Any 4 inbuilt exception examples

interface Color{

void car();

}

interface Model{

void name();

}

class A7 implements Color,Model{

public void car(){

System.out.println("Car");

}

public void name(){

System.out.println("Name");

}

public static void main(String args[]){

A7 obj= __________

obj.car();

obj.name();

} }

How do create an object?

What are the 4 access modifier in JAVA?

Example of Hierarchical Inheritance.

Difference between 'Thread' and 'Runnable'

What is the difference between element() and peek() methods of queue?

Stack <Integer> stk=new Stack<>();

stk.push(7);

stk.push(8);

stk.push(11);

How will you find out the position of number '8' in stack?

What are the different ways to access the package?

How are ‘this’ keyword used in JAVA? (Any 2)

What are all the objects of print stream?

What are the two ways 'synchronized' keyword can be used in thread?

When you create an input stream, if the file does not exist, then which exception is thrown

Explain hasNext() method.

Name 3 classes provided by  javafx.scene.layout Package

interface Drawable{

void draw();

}

class R implements Drawable{

public void draw(){

System.out.println("Rectangle");

} }

class C implements Drawable{

public void draw(){

System.out.println("Circle");

} }

class Test{

public static void main(String args[]){

Drawable d= ____________

d.draw();

} }

How will you create an object for class 'C'?

Type casting from smaller type to larger type can be converted automatically.

True/ False.

If true,specify the type of casting.