What is externalizable interface?
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What is nested top-level class?
Is null a string in java?
Can array grow dynamically in java?
How do you implement singleton class?
What is anagram number?
What is an object-oriented paradigm?
What are aggregate functions explain with examples?
Which variables are stored in heap?
Given: 1. package test; 2. 3. class Target { 4. public String name = “hello”; 5. } What can directly access and change the value of the variable name? 1 any class 2 only the Target class 3 any class in the test package 4 any class that extends Target
What are the 6 functions?
Difference between process and thread?
Is treeset sorted in java?