<ul><li>In Java, we call or access an object by creating an object of a class using the new keyword and calling methods and variables using the object.</li><li>Methods in Java provide code reusability, improve readability, reduce redundancy, and make debugging easier.</li><li>Static methods in Java are declared using the static keyword, belong to the class rather than a specific instance, can be accessed without creating an object, and can't access non-static members directly.</li><li>Global variables in Java can be instance variables or static variables, can be accessed by all methods in the class, and are declared outside of methods, inside the class; local variables are declared inside a method, constructor, or block, and can only be accessed within the method where they are declared.</li></ul>

Day 4: Methods,static & Non static.

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