Changeset 265 in Java_Quellcode_SOOP_Vorlesung

Timestamp:

Jan 9, 2017, 5:35:15 PM (8 years ago)

Author:

tr

Message:

 

Location:

generics

Files:

• BoxMain.java (modified) (1 diff)
• GenericBoxMain.java (modified) (1 diff)
• IntBox.java (modified) (1 diff)

generics/BoxMain.java

@@ -20 +20 @@
         s = (String) r.leftBox.get();
         x = (Integer) r.rightBox.get();
+
 /**/
         StringBox sb = new StringBox();

generics/GenericBoxMain.java

@@ -4 +4 @@
 
     public static void main(String[] args) {
-        GenericBox<Integer> b = new GenericBox<Integer>();
+        GenericBox<String> b = new GenericBox<String>();
         
-        b.set(2);
+        b.set("2");
         
         Integer i = 3;
         
-        int x = i;
+        String x = "Hallo";
         
         b.set(x);
         
         System.out.println(b);
+        
+        GenericBox<GenericBox<String>> db = new GenericBox<GenericBox<String>>();
+        
+        db.set(new GenericBox<String>());
+        
+        db.get().set("Hallo innere Box");
+        
+        System.out.println(db);
+        
     }
 }

generics/IntBox.java

@@ -8 +8 @@
     // erhalten. Wir wählen getInt(), jeder andere Name ist auch möglich.
     // Funktioniert nicht:
+
 //  public int get() {
 //      return ((Integer) super.get()).intValue();