Explain the difference between runnable and callable interface in java?

1102

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What is difference between synchronize and concurrent collection in java?

1128

---

How to check if linked list contains loop in java?

960

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5 Coding best practices you learned in java?

1064

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How does hashset works in java?

1141

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

1101

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

1020

---

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

1088

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

1202

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How do you sort arraylist in descending order?

1084

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How do you convert bytes to character in java?

1054

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Write a program to solve producer consumer problem in java?

1069

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Explain the difference between hashmap and hashtable in java?

994

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What is difference between checked and unchecked exception in java?

1068

---

Explain the difference between extends thread vs implements runnable in java?

1199

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