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一、HashMap转为二维数组
private Object[][] hashMapToTwoDimensionalArray(Map sourceHashMap) {
Object[][] result = new Object[sourceHashMap.size()][2];
Object[] keys = sourceHashMap.keySet().toArray();
Object[] values = sourceHashMap.values().toArray();
for (int i = 0; i < keys.length; i++) {
result[i][0] = keys[i];
result[i][1] = values[i];
}
return result;
}
二、遍历Map
for (String key: map.keySet()) {
String value= map.get(key);
}