Time

src/Time/Test.java

@@ -0,0 +1,16 @@
+import java.util.Scanner;
+
+public class Test{
+    public static void main(String [] args){
+        Time t = new Time(12, 50, "am");
+        Time t2 = new Time(1, 1, "pm");
+        Scanner sc = new Scanner(System.in);
+
+        t.shift(sc.nextInt(), sc.nextInt());
+        t.print(System.out);
+        if(t.isAfter(t2))
+            System.out.println("t viene prima");
+        else
+            System.out.println("t viene dopo");
+    }
+}

src/Time/Time.java

@@ -0,0 +1,96 @@
+import java.io.PrintStream;
+import java.util.Scanner;
+
+public class Time{
+
+    public Time(int h, int m, String id){
+        this.h=h;
+        this.m=m;
+        this.id=id;
+    }
+
+    public String getId(){
+        return id;
+    }
+
+    public int getH(){
+        return h;
+    }
+
+    public int getM(){
+        return m;
+    }
+
+    public void setId(String id){
+        this.id=id;
+    }
+
+    public void setH(int h){
+        this.h=h;
+    }
+
+    public void setM(int m){
+        this.m=m;
+    }
+
+    public void print(PrintStream ps){
+        ps.println(h+" "+m+" "+id);
+    }
+
+    public static Time read(Scanner sc){
+        int h, m;
+        String id;
+        if(sc.hasNext()){
+            h=sc.nextInt();
+            if(sc.hasNext()){
+                m=sc.nextInt();
+                if(sc.hasNext()){
+                    id=sc.next();
+                    return new Time(h, m, id);
+                }
+            }
+        }
+        return null;
+    }
+
+    public int toMinute(){
+        if(id.equals("pm"))
+            h+=12;
+        return h*60+m;
+    }
+
+    public boolean isAfter(Time t){
+        return this.toMinute()<t.toMinute();
+    }
+
+    public boolean isBefore(Time t){
+        return !this.isAfter(t);
+    }
+
+    public void shift(int m){
+        int totm=this.toMinute() + m%(24*60);
+        this.m=totm%60;
+        this.h=(totm/60)%24;
+        if(this.h>12){
+            this.id="pm";
+            this.h-=12;
+        }else
+            this.id="am";
+    }
+
+    public void shift(int h, int m){
+        int totm=this.toMinute() + (m+h*60)%(24*60);
+        this.m=totm%60;
+        this.h=(totm/60)%24;
+        if(this.h>12){
+            this.id="pm";
+            this.h-=12;
+        }else
+            this.id="am";
+    }
+
+
+    private String id;
+    private int h;
+    private int m;
+}