基于java开发的功能强大、配置灵活的数据库之间的同步工具,和数据产生器一样,均是前段时间因为项目需要编写的小工具,在实际应用场景中,我们经常需要定期将一个数据库的数据同步到另外一个数据库中,常见的一种做法是将源数据库的数据dump为sql文件,然后到目标数据库执行sql文件完成数据库的导入,但是这种方法至少存在
length; int r = n - p; // number of elements to the right of p int newCapacity = n << 1; if (newCapacity < 0) throw new IllegalStateException("Sorry, deque too big"); Object[] a = new Object[newCapacity]; System.arraycopy(elements, p, a, 0, r); System.arraycopy(...
* the range and throws an exception if they aren't.*/privatestaticvoidrangeCheck(intarrayLength,intfromIndex,inttoIndex) {if(fromIndex >toIndex) {thrownewIllegalArgumentException("fromIndex(" + fromIndex + ") > toIndex(" + toIndex + ")"); }if(fromIndex < 0) {thrownewArrayIndexOutOfBou...
In this article, we will learn to initialize ArrayList with values in Java. ArrayList is an implementation class of List interface in Java. It is used to store elements. It is based on a dynamic array concept that grows accordingly. We can Initialize ArrayList with values in several ways. ...
Range check elimination: The Java programming language specification requires array bounds checking to be performed with each array access. An index bounds check can be eliminated when the compiler can prove that an index used for an array access is within bounds. ...
ARRAY_VALUES="BooleanArrayValues";publicstaticfinalStringFEATURE_BYTE_ARRAY_VALUES="ByteArrayValues";...
privatevoidgrow(intminCapacity){// overflow-conscious codeintoldCapacity = elementData.length;intnewCapacity = oldCapacity + (oldCapacity >>1);if(newCapacity - minCapacity <0) newCapacity = minCapacity;if(newCapacity - MAX_ARRAY_SIZE >0) ...
Stream<String> stream = Stream.of(array); Stream<String> result = stream.filter(s -> s.startsWith("张")); result.forEach(s -> System.out.println(s)); } 1. 2. 3. 4. 5. 6. 输出: filter === 张无忌 张三丰 1. 2. 3. 2.3...
'B' // byte 'C' // char 'D' // double 'F' // float 'I' // integer 'J' // long 'S' // short 'Z' // boolean obj_typecode: '[' // array 'L' // object newArray: TC_ARRAY classDesc newHandle (int)<size> values[size] newObject: TC_OBJECT classDesc newHandle class...
dnsjava/dnsjavaPublic NotificationsYou must be signed in to change notification settings Fork250 Star1k Files master Sign in to see the full file tree. Changelog Latest commit ibauersachs Release v3.6.3 Jan 26, 2025 52b59ba·Jan 26, 2025 ...