java:jfc_intf_map
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| Both sides previous revision Previous revision | Next revision Both sides next revision | ||
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java:jfc_intf_map [2015/03/23 03:42] gthanos [java.util.Map] |
java:jfc_intf_map [2015/03/23 03:48] gthanos [Μέθοδοι με πολλαπλές εγγραφές] |
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| Line 42: | Line 42: | ||
| } | } | ||
| | | ||
| - | public void iterateMap() { | + | public void iterateMapEntries() { |
| Set set = students.entrySet(); | Set set = students.entrySet(); | ||
| + | Iterator it = set.iterator(); | ||
| + | while(it.hasNext()) { | ||
| + | System.out.println(it.next().toString()); | ||
| + | } | ||
| + | } | ||
| + | | ||
| + | public void iterateMapValues() { | ||
| + | Collection col = students.values(); | ||
| + | Iterator it = col.iterator(); | ||
| + | while(it.hasNext()) { | ||
| + | System.out.println(it.next().toString()); | ||
| + | } | ||
| + | } | ||
| + | | ||
| + | public void iterateMapKeys() { | ||
| + | Set set = students.keySet(); | ||
| Iterator it = set.iterator(); | Iterator it = set.iterator(); | ||
| while(it.hasNext()) { | while(it.hasNext()) { | ||
| Line 52: | Line 68: | ||
| public static void main(String args[]) { | public static void main(String args[]) { | ||
| StudentMap stl = new StudentMap(); | StudentMap stl = new StudentMap(); | ||
| - | stl.iterateMap(); | + | stl.iterateMapKeys(); |
| + | stl.iterateMapValues(); | ||
| + | stl.iterateMapEntries(); | ||
| } | } | ||
| } | } | ||
java/jfc_intf_map.txt · Last modified: 2016/02/26 11:15 (external edit)
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