Answer Posted / surya chandra mohan , visakhap

small modification for first program. But that one is really excellent.i really proud Indresh_ips.


import java.util.*;
class ArrayListUnique2 {

static public ArrayList uniqueArrayList(ArrayList arrl) {
int i;
String check="";
for(int k=0;k<arrl.size();k++) {
String s=arrl.get(k).toString();


if(!check.contains(s)){
check = check+s+", ";
}else{
arrl.remove(s);
}
}
return arrl;
}
public static void main (String[] args) {
ArrayList al= new ArrayList();

al.add("A");
al.add("A");
al.add("B");
al.add("C");
al.add("B");
al.add("A");
al.add("D");
al.add("D");
al.add("D");
al.add("D");
al.add("A");
al.add("B");
al.add("F");
al.add("G");
al.add("G");
al.add(10);
al.add(5);
al.add(10);
al.add(5);
System.out.println ("Before declaring unique:"+al);

ArrayList a=ArrayListUnique.uniqueArrayList(al);

System.out.println ("after declaring unique: "+a);
}
}

Explain creating threads by implementing runnable class?

1140

---

What is the difference between heap memory and stack memory?

1041

---

What is type inference in java8?

1024

---

Why do we declare a class static?

1122

---

What is final int?

1003

---

What are drawbacks of singleton class?

941

---

What do you mean by multithreaded program?

996

---

When parseint method can be used?

932

---

Can we clone singleton class in java?

943

---

What are implicit objects in java?

957

---

What are the two parts of a conditional statement?

947

---

What happens to the Exception object after handling an exception?

2347

---

What is identifier with example?

1035

---

Why should I use abstract class?

1076

---

Explain the difference between arraylist and linkedlist in java?

969

---