add logic package and logic test

src/org/clock/logic/ClockLogic.java

+package org.clock.logic;
+
+public class ClockLogic {
+	private int hour;
+	private int minute;
+	private int second;
+	public ClockLogic () {
+		this.hour = 0;
+		this.minute = 0;
+		this.second = 0;
+	}
+	public ClockLogic (int hour, int minute, int second) {
+		this.hour = hour;
+		this.minute = minute;
+		this.second = second;
+	}
+	public void setClock(int hour, int minute, int second) {
+		this.hour = hour;
+		this.minute = minute;
+		this.second = second;
+	}
+	public void tik(int second) {
+		this.second += second % 60;
+		second = second / 60;
+		this.minute += second % 60;
+		second = second / 60;
+		this.hour += second; 
+		if (this.second > 60) {
+			minute++;
+			this.second %= 60;
+		}
+		if (this.minute > 60) {
+			hour++;
+			this.minute %= 60;
+		}
+		if (this.hour > 24) {
+			this.hour %= 24;
+		}
+	
+	}
+	public int getHour() {
+		return hour;
+	}
+	public int getMinute() {
+		return minute;
+	}
+	public int getSecond() {
+		return second;
+	}
+	
+}

src/test/ClockLogicTest.java

+package test;
+import org.clock.logic.ClockLogic;
+
+public class ClockLogicTest {
+    public static void main(String[] args) {
+        ClockLogic clockLogic = new ClockLogic(1,2,3);
+        System.out.println(clockLogic.getSecond() == 3);
+        System.out.println(clockLogic.getMinute() == 2);
+        System.out.println(clockLogic.getHour() == 1);
+        clockLogic.setClock(10,20,30);
+        System.out.println(clockLogic.getSecond() == 30);
+        System.out.println(clockLogic.getMinute() == 20);
+        System.out.println(clockLogic.getHour() == 10);
+        clockLogic.tik(1);
+        System.out.println(clockLogic.getSecond() == 31);
+        System.out.println(clockLogic.getMinute() == 20);
+        System.out.println(clockLogic.getHour() == 10);
+        clockLogic.setClock(10,20,0);
+        clockLogic.tik(100);
+        System.out.println(clockLogic.getSecond() == 40);
+        System.out.println(clockLogic.getMinute() == 21);
+        System.out.println(clockLogic.getHour() == 10);
+
+    }
+}