Difference between association, composition and aggregation?

968

---

Explain the difference between comparator and comparable in java?

942

---

Explain the difference between runnable and callable interface in java?

1045

---

What is difference between synchronize and concurrent collection in java?

1064

---

How to check if linked list contains loop in java?

898

---

5 Coding best practices you learned in java?

1010

---

How does hashset works in java?

1084

---

Explain the difference between private, public, package and protected in java?

1040

---

Can we have return statement in finally clause? What will happen?

963

---

Write a java program to check if a number is prime or not?

1037

---

What is equlas() and hashcode() contract in java? Where does it used?

1128

---

How do you sort arraylist in descending order?

1018

---

How do you convert bytes to character in java?

996

---

Write a program to solve producer consumer problem in java?

1006

---

Explain the difference between hashmap and hashtable in java?

943

---