把Point[] pts变成两个int数组int[] xs和int[] ys，这就成"Good Code"和"Performace Code"的两难...
All time zone IDs remain the same but the merged time zones will point to a shared zone data. As a result, pre-1970 data may not be compatible with earlier JDK versions. The affected zones are Antarctica/Vostok, Asia/Brunei, Asia/Kuala_Lumpur, Atlantic/Reykjavik, Europe/Amsterdam, Europe/...
subtractLife(); // 减命 hero.setDoubleFire(0); // 双倍火力解除 index = i; // 记录碰上的飞行物索引 } if (index != -1) { FlyingObject t = flyings[index]; flyings[index] = flyings[flyings.length - 1]; flyings[flyings.length - 1] = t; // 碰上的与最后一个飞行物交换 fly...
setText(String t) Sets the text of this TextComponent to the specified text. void setUI(TextUI ui) Sets the user-interface factory for this text-oriented editor. void updateUI() Reloads the pluggable UI. int viewToModel(Point pt) Converts the given place in the view coordinate s...
To this point, we have focused the high-level uses of the JCA without getting lost in the details of what keys are and how they are generated/represented. It is now time to turn our attention to keys.The java.security.Key interface is the top-level interface for all opaque keys. It ...
The basic representation of any integer, floating point, or character value. For example, 3.0 is a double-precision floating point literal, and "a" is a character literal. local variable A data item known within a block, but inaccessible to code outside the block. For example, any variabl...
Advanced Java developers may have knowledge of multithreading. Multithread programming is a parallel process that allows you to execute multiple functions at once to make programs run faster and more efficiently. Those looking to dive into more advanced Java topics may consider using frameworks such ...
This line is the entry point for our form components. To access what VB had as a toolbox, we have what is called a Designer with B4J. In Visual Basic, you created a form and was able to drag and drop controls in the form directly. With B4J, you drag and drop controls to a ...
BASIC has a rich set of commands. It has a full range of mathematical and trigonometric functions, supporting both integer and floating-point calculations. It has commands for manipulating text strings, handling data file operations (supporting both ASCII and binary formats), and operator interfacing...
codePoint Int32 the character (Unicode code point) to be to Returns Boolean trueif the specified code point is between#MIN_VALUEand#MAX_VALUEinclusive;falseotherwise. Attributes RegisterAttribute Remarks Determines whether the specified character (Unicode code point) is in the Basic Multilingual Plane...