How does arraylist work in java?
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Can we place the any object to key attribute of HashMap<key,value>?
What’s the difference between constructors and other methods?
Why string is not a wrapper class?
Can we define a package statement after the import statement in java?
What is cr keyboard?
What is byte code and why is it important to java’s use for internet programming?
How do you delete a list in java?
different types of threads?
Explain about the security aspect of java?
any other way to print the text without using System.out.println() in java?
What is constructor chaining in java?
What is the final keyword?