Answer Posted / banti

public void removeDuplicateDataFromArrayList(){
ArrayList<String> al = new ArrayList<>();
al.add("a");
al.add("b");
al.add("c");
al.add("c");
al.add("a");

HashSet<String> hs = new HashSet<>();
hs.addAll(al);
al.clear();
al.addAll(hs);
System.out.println("The ArrayList values are :"+ al);

// Or

System.out.println("ArrayList : ");
for (Object data : al) {
System.out.println(data);
}

How will you call an Applet using Java Script Function?

540

---

How do you use wildcards?

528

---

What is the difference between access specifiers and access modifiers in java? 16

534

---

What is logical variable?

502

---

What do you mean by local variable and instance variable?

508

---

---

Can I extend singleton class in java?

618

---

Can we increase array size dynamically in java?

498

---

How many types of the indexof method are there for strings?

485

---

How we can execute any code even before main method?

549

---

Can we have two methods in a class with the same name?

576

---

What is method overloading in java ?

554

---

How will you get the platform dependent values like line separator, path separator, etc., ?

575

---

Is char a method in java?

508

---

What is object cloning in Java?

629

---

What is a ternary operator in java?

528

---