Concurrent Score Generation and Sorting Using Runnable and TreeSet in Java
Environment: Windows 11, JDK 17
1. POJO – ExamScoreRecord
import java.math.BigDecimal;
import java.util.Date;
public class ExamScoreRecord implements Comparable<ExamScoreRecord> {
private Integer id;
private Integer studentId;
private Integer academicYear;
private BigDecimal languageScore;
private BigDecimal mathScore;
private BigDecimal ...
Posted on Fri, 15 May 2026 18:15:16 +0000 by sullyman
Understanding Java Set Collections and Data Structures
Set Collection Fundamentals
1.1 Set Collection Characteristics
Set collections in Java provide unique storage capabilities:
No duplicate elements allowed
No indexed access, preventing traditional for-loop iteration
1.2 Basic Set Implementation
Example demonstrating string storage and iteration:
public class SetBasicsDemo {
public stati ...
Posted on Sun, 10 May 2026 14:20:55 +0000 by The Swedish Tower