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Java TreeMap.subMap方法代码示例

本文整理汇总了Java中java.util.TreeMap.subMap方法的典型用法代码示例。如果您正苦于以下问题:Java TreeMap.subMap方法的具体用法?Java TreeMap.subMap怎么用?Java TreeMap.subMap使用的例子?那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在java.util.TreeMap的用法示例。


在下文中一共展示了TreeMap.subMap方法的4个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于系统推荐出更棒的Java代码示例。

示例1: getRangeMap

import java.util.TreeMap; //导入方法依赖的package包/类
public void getRangeMap(TreeMap<String, String> maps, String firstKey, String lastKey) {
    SortedMap<String,String> subMaps =  maps.subMap(firstKey, lastKey);
    Iterator iterator = subMaps.entrySet().iterator();
    System.out.println("子Map如下");
    while (iterator.hasNext()) {
        Map.Entry<String, String> entry = (Map.Entry<String, String>) iterator.next();
        System.out.print("key = " + entry.getKey());
        System.out.println(" value = " + entry.getValue());
    }
}
 
开发者ID:byhieg,项目名称:JavaTutorial,代码行数:11,代码来源:TreeMapExample.java

示例2: testSubMapContents

import java.util.TreeMap; //导入方法依赖的package包/类
/**
 * subMap returns map with keys in requested range
 */
public void testSubMapContents() {
    TreeMap map = map5();
    NavigableMap sm = map.subMap(two, true, four, false);
    assertEquals(two, sm.firstKey());
    assertEquals(three, sm.lastKey());
    assertEquals(2, sm.size());
    assertFalse(sm.containsKey(one));
    assertTrue(sm.containsKey(two));
    assertTrue(sm.containsKey(three));
    assertFalse(sm.containsKey(four));
    assertFalse(sm.containsKey(five));
    Iterator i = sm.keySet().iterator();
    Object k;
    k = (Integer)(i.next());
    assertEquals(two, k);
    k = (Integer)(i.next());
    assertEquals(three, k);
    assertFalse(i.hasNext());
    Iterator r = sm.descendingKeySet().iterator();
    k = (Integer)(r.next());
    assertEquals(three, k);
    k = (Integer)(r.next());
    assertEquals(two, k);
    assertFalse(r.hasNext());

    Iterator j = sm.keySet().iterator();
    j.next();
    j.remove();
    assertFalse(map.containsKey(two));
    assertEquals(4, map.size());
    assertEquals(1, sm.size());
    assertEquals(three, sm.firstKey());
    assertEquals(three, sm.lastKey());
    assertEquals("C", sm.remove(three));
    assertTrue(sm.isEmpty());
    assertEquals(3, map.size());
}
 
开发者ID:AdoptOpenJDK,项目名称:openjdk-jdk10,代码行数:41,代码来源:TreeMapTest.java

示例3: testSubMapContents2

import java.util.TreeMap; //导入方法依赖的package包/类
public void testSubMapContents2() {
    TreeMap map = map5();
    NavigableMap sm = map.subMap(two, true, three, false);
    assertEquals(1, sm.size());
    assertEquals(two, sm.firstKey());
    assertEquals(two, sm.lastKey());
    assertFalse(sm.containsKey(one));
    assertTrue(sm.containsKey(two));
    assertFalse(sm.containsKey(three));
    assertFalse(sm.containsKey(four));
    assertFalse(sm.containsKey(five));
    Iterator i = sm.keySet().iterator();
    Object k;
    k = (Integer)(i.next());
    assertEquals(two, k);
    assertFalse(i.hasNext());
    Iterator r = sm.descendingKeySet().iterator();
    k = (Integer)(r.next());
    assertEquals(two, k);
    assertFalse(r.hasNext());

    Iterator j = sm.keySet().iterator();
    j.next();
    j.remove();
    assertFalse(map.containsKey(two));
    assertEquals(4, map.size());
    assertEquals(0, sm.size());
    assertTrue(sm.isEmpty());
    assertSame(sm.remove(three), null);
    assertEquals(4, map.size());
}
 
开发者ID:AdoptOpenJDK,项目名称:openjdk-jdk10,代码行数:32,代码来源:TreeMapTest.java

示例4: map5

import java.util.TreeMap; //导入方法依赖的package包/类
/**
 * Returns a new map from Integers 1-5 to Strings "A"-"E".
 */
private static NavigableMap map5() {
    TreeMap map = new TreeMap();
    assertTrue(map.isEmpty());
    map.put(zero, "Z");
    map.put(one, "A");
    map.put(five, "E");
    map.put(three, "C");
    map.put(two, "B");
    map.put(four, "D");
    map.put(seven, "F");
    assertFalse(map.isEmpty());
    assertEquals(7, map.size());
    return map.subMap(one, true, seven, false);
}
 
开发者ID:AdoptOpenJDK,项目名称:openjdk-jdk10,代码行数:18,代码来源:TreeSubMapTest.java


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