• 변수 -> 배열 -> 클래스 ····· 점점 더 확장되는 개념

                                           (변수의 집합)                      (변수 및 배열의 집합)
  

https://www.tutorialspoint.com/java/java_methods.htm

[ Java – Methods ]

Creating Method

Considering the following example to explain the syntax of a method −

Syntax

public static int methodName(int a, int b) {

// body

}

Here,

• public static− modifier
• int− return type
• methodName− name of the method