how to make the double-tone class ? as we have singletone
class..?
Answer Posted / sagar kumar
public class DoubletonTest {
public static void main(String[] args) {
Helloo h1=Helloo.getHello(1);
Helloo h2=Helloo.getHello(2);
Helloo h3=Helloo.FIRST;
Helloo h4=Helloo.SECOND;
System.out.println(h1);
System.out.println(h2);
System.out.println(h3);
System.out.println(h4);
System.out.println(h1==h3);//true
System.out.println(h2==h4);//true
}
}
class Helloo{
private Helloo(){
}
final static public Helloo FIRST=new Helloo();
final static public Helloo SECOND=new Helloo();
static public Helloo getHello(int val){
if (val<1 || val>2) {
throw new IllegalArgumentException(" "+val);
}
if (val==1) {
return FIRST;
}
return SECOND;
}
}
| Is This Answer Correct ? | 1 Yes | 0 No |
Post New Answer View All Answers
What is args length in java?
Explain treeset?
What is the use of static class?
Does constructor creates the object ?
What is the equal sign?
How will you print number in reverse (descending) order in BST.
What is 16 bits called?
What are the 6 mandatory procedures for iso 9001?
What is a class component?
What invokes a thread's run() method in java programming?
How many boolean functions are there?
What is the major difference between linkedlist and arraylist?
What are keyboard events?
how to deploy tomcatserver to weblogic server? write d following steps?
What are green threads in java?