Answer Posted / hardeep thakur

Here is code to implement the singleton

public class SingletonClass {
private static SingletonClass singleObj ;
private SingletonClass(){}

public static synchronized SingletonClass getInstance()
{
if(singleObj ==null){
singleObj = new SingletonClass();
}
return singleObj;
}

public Object clone() throws CloneNotSupportedException
{
throw new CloneNotSupportedException();
}

}

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