The following Java applications contain errors. Point out the statement(s) that contain errors. Explain what each of the errors is, and how it can be fixed

public class OOPExercises { public static void main(String[] args) { System.out.println("in main(): "); System.out.println("objA.a = "+getA() ); setA(123); } } public class A { private int a = 100; public void setA( int value) { a = value; } public int getA() { return a; } } //class A