What are the disadvantages of using collection classes over arrays?

1067

---

Which is the parent class of abstractqueue class?

934

---

Which is the parent class of enumset class?

972

---

Can value be null in treemap?

910

---

Which interfaces are implemented by abstractsequentiallist?

908

---

Which is the parent class of abstractsequentiallist class?

972

---

If we add enum constants to a sorted collection ( treemap , treeset ), what will be the order in which they will be maintained?

968

---

How can we reverse the order in the treemap?

890

---

Which interfaces are implemented by abstractqueue?

929

---

Can we add duplicate keys in a hashmap?

912

---

What is comparable interface?

972

---

What is a property class?

1033

---

Which interfaces are implemented by hashmap?

986

---

Explain set interface?

1096

---

What is the Difference between sax and dom parser?

1066

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