Question

Answer these :
1.What is indentation in Java?
2.Name three OOPS languages
3.Package to which the wrapper classes belong to.

Answer 1

1.The rule of thumb is that anything inside a block (an open/close brace pair) should be indented. Usually, a good text editor or IDE has support for indentation. I'm using 3 spaces of indentation.

2.encapsulation and abstraction

3.java.lang