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private static final int[] BATCH_GAP_SECOND = {30, 300, 600}; public static int[] getBatchGapSecond() { return BATCH_GAP_SECOND.clone(); } public static void main(String[] args) { int[] batchGapSecond = getBatchGapSecond(); batchGapSecond[2] = 20; System.out.println(getBatchGapSecond()[2]); }
List<Integer> l = Collections.unmodifiableList(new ArrayList<Integer>());
l.add(1); // 该行抛出UnsupportedOperationException运行时异常
public final class FinalArray {
private static final String[] STR_LIST = { "VIEW1", "VIEW2"};
public static String[] getArray(){
return STR_LIST;
}
}
用的时候直接
String[] STR_LIST = FinalArray.getArray();