Which file separator should be used in the MANIFEST file?

We can implement multiple inheritance by using

 Which concept of Java is a way of converting real world objects in terms of class? 

Which of the following technique does hashTable internally use for inserting and retrieving elements?

Public class Test(){

    public static void main(String args[]){

        String str="Hello World!";

        System.out.println(____________);

    }

}

Fill the blank to print the length of the string str.

//Predict the output

import java.util.Scanner;

public class MyClass

{

public static void main(String args[])

{

String str = "Java developer";

char ch = str.charAt(2);

System.out.println(ch);

}

}

What will be the output of the following Java program?

public class Test
{  
   public static void main(String[] args)
   {
       int x = 0;  
       assert (x > 0) ? "assertion failed" : "assertion passed" ;
       System.out.println("finished");  
   }
}

Statement 1- printLocalisedMessage() methods return localized description of an exception 

Staement 2- obtainLocalisedMessage()  methods return localized description of an exception 

Statement 3- getLocalisedMessage()  methods return localized description of an exception 

Predict the output of the following Java program.

public class Abekus {

public static void Abekus1(String s)

{

System.out.println("String : " + s);

}

public static void Abekus1(Object o)

{

System.out.println("Object : " + o);

}

public static void main(String args[])

{

Abekus1(null);

}

}