if (myStudent == null) {
    System.out.print("No Record Was Found");
} else {
    System.out.print("Student ID: " + myStudent.getID() + "nFull Name: " + myStudent.getName() + "nProgram: " + myStudent.getProgram() +

    "nTotal Credit Hours: " + (Integer.parseInt(myStudent.getTotalCreds())) * 3420 + "Rs" + "nCourses Registered:n");
}
for (int i = 0; i < studCourseList.size(); i++) {
    if (studCourseList.get(i).getSid().equals(ID)) {

        System.out.print("- " + studCourseList.get(i).getCid() + "n");
        for (int j = 0; j < CoursesList.size(); j++) {
        if(CoursesList.get(i).getID().equals(studCourseList.get(i).getCid())){
                System.out.print("- " + CoursesList.get(i).getName() + "n");
                break;
            }

        }

    }

}

for (int j = 0;j<CoursesList.size(); j++){
    if (CoursesList.get(i).getID().equals(studCourseList.get(i).getCid()));
    {
        System.out.print("- " + CoursesList.get(i).getName() + "n");
        break;
    }

.equals(studCourseList.get(i).getCid()

class Student {
    private String id;
    private String name;
    private String program;
    // getter setter
}

class Course {
    private String id;
    private String name;
    private int creditHours;
    // getter setter
}

class StudentCourses {
    private String studentId;
    private String courseId;
    // getter setter
}

Map<String, Student> students = new HashMap<String, Student>();
Map<String, Course> courses = new HashMap<String, Course>();