127);// Maximum array size is Integer.MAX_VALUEh = Math.min(i, Integer.MAX_VALUE - (-low) -1);} catch( NumberFormatException nfe) {// If the property cannot be parsed into an int, ignore it.}}high = h;//配置⽂件中有值,并且满⾜上⽅条件对⽐及可更改high值cache = new I...
String integerCacheHighPropValue = VM.getSavedProperty("java.lang.Integer.IntegerCache.high"); if (integerCacheHighPropValue != null) { try { h = Integer.parseInt(integerCacheHighPropValue); h = Math.max(h, 127); // 确保上限不低于默认值127 // Maximum array size is Integer.MAX_VALUE h =...
i= Math.max(i, 127);//Maximum array size is Integer.MAX_VALUEh = Math.min(i, Integer.MAX_VALUE - (-low) -1); }catch( NumberFormatException nfe) {//If the property cannot be parsed into an int, ignore it.} } high=h; cache=newInteger[(high - low) + 1];intj =low;//for循...
* The cache is initialized on first usage. The size of the cache * may be controlled by the {@code -XX:AutoBoxCacheMax=} option. * During VM initialization, java.lang.Integer.IntegerCache.high property * may be set and saved in the private system properties in the * sun.misc.VM class...
= null) { try { int i = parseInt(integerCacheHighPropValue); i = Math.max(i, 127); // Maximum array size is Integer.MAX_VALUE h = Math.min(i, Integer.MAX_VALUE - (-low) -1); } catch( NumberFormatException nfe) { // If the property cannot be parsed into an int, ignore it...
sun.misc.VM.getSavedProperty("java.lang.Integer.IntegerCache.high"); if (integerCacheHighPropValue != null) { try { int i = parseInt(integerCacheHighPropValue); i = Math.max(i, 127); // Maximum array size is Integer.MAX_VALUE
// int 最大值为 2^31-1publicstaticfinal Class<Integer>TYPE=(Class<Integer>)Class.getPrimitiveClass("int");// 基本类型 int 包装类的实例publicstaticfinal intSIZE=32;// 以二进制补码形式表示 int 值所需的比特数publicstaticfinal intBYTES=SIZE/Byte.SIZE;// 以二进制补码形式表示 int 值所需的...
sun.misc.VM.getSavedProperty("java.lang.Integer.IntegerCache.high"); if (integerCacheHighPropValue != null) { try { int i = parseInt(integerCacheHighPropValue); i = Math.max(i, 127); // Maximum array size is Integer.MAX_VALUE
// Maximum array size is Integer.MAX_VALUE h = Math.min(i, Integer.MAX_VALUE - -low); } high = h; cache =newInteger[(high - low) + 1]; intj = low; for(intk = 0; k < cache.length; k++) //缓存区间数据 cache[k] =newInteger(j++); ...
JavaSystem LinkageError 長 數學 NegativeArraySizeException(負數數組大小例外) NoClassDefFoundError 找不到欄位錯誤 (NoSuchFieldError) NoSuchFieldException NoSuchMethodError(沒有此方法錯誤) NoSuchMethodException NullPointerException (空指針例外) 數字 數字格式異常(NumberFormatException) 物件 OutOfMemoryError 覆蓋 Over...