What is the significance of the keyword static in a method declaration?

Write a Java method that takes an integer and returns true if it is a palindrome.

Explain the difference between a pure and an impure method.

Distinguish between a formal parameter and an actual parameter, and explain call by value.

What is method overloading? State the conditions under which two methods are said to be overloaded.

Explain the ternary operator in Java and rewrite "if (a > b) max = a; else max = b;" using it.

What is the output of: String s = "Examination"; System.out.println(s.length() + " " + s.substring(0, 4) + " " + s.toUpperCase().charAt(2));