Creates a new array and reallocate an array with a new size, and copies the contents of the old array to the new array.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 | // oldArray is the old array, to be reallocated.// newSize is the new array size.// return type is a new array with the same contents.public Object resizeArray (Object oldArray, int newSize) { int oldSize = java.lang.reflect.Array.getLength(oldArray); Class elementType = oldArray.getClass().getComponentType(); Object newArray = java.lang.reflect.Array.newInstance( elementType,newSize); int preserveLength = Math.min(oldSize,newSize); if (preserveLength > 0) System.arraycopy (oldArray,0,newArray,0,preserveLength); return newArray;} |
