1. sort array of (0,1), 0 to the left, 1 to the right. 2. zip and unzip a picture in an efficient way. 3. explain the way hashmap works. 4. design a traveling agent selling airplane tickets
Java Developers Interview Questions
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about collections in java
What is a class loader ? What does it do ?
Write a program to print the number of times each character is repeated in a string.
what is the differnece between exception and error?
Can you explain the difference between C and C++?
They asked basic questions related to microservices architecture and Java collections framework.
What is HashMap?
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