Problem uml diagram uml class diagram problem class

Problem 1 (UML Diagram)

Problem 4

In Class A, it has four getData methods

A.java

public class A {

return data;

}

{

value=i;

public class MainA

{

System.out.println("Integer Value : "+objA.getData(5));

System.out.println("String Value(With Parameter) : "+ objA.getData("Welcome"));