代码搜索：Getting

找到约 2,749 项符合「Getting」的源代码

代码结果 2,749
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txt e243. getting the driver of a connection.txt

Given a connection, it is not possible to determine the driver that created the connection. Although the connection can return a driver name, the returned name cannot be used to find the driver. For e
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txt e021. getting the size of a file.txt

File file = new File("infilename"); // Get the number of bytes in the file long length = file.length();
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txt e366. getting and setting properties.txt

String string = properties.getProperty("a.b"); properties.setProperty("a.b", "new value");
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txt e059. getting a class object.txt

There are three ways to retrieve a Class object. // By way of an object Class cls = object.getClass(); // By way of a string try { cls = Class.forName("java.lang.St
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txt e369. getting the current time.txt

Calendar cal = new GregorianCalendar(); // Get the components of the time int hour12 = cal.get(Calendar.HOUR); // 0..11 int hour24 = cal.get(Calendar.HOUR_OF_DAY);
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txt e055. getting the size of the heap.txt

The heap is the area in memory in which objects are created. // Get current size of heap in bytes long heapSize = Runtime.getRuntime().totalMemory(); // Get maximum size of heap
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txt e600. getting the number of screens.txt

GraphicsEnvironment ge = GraphicsEnvironment.getLocalGraphicsEnvironment(); try { GraphicsDevice[] gs = ge.getScreenDevices(); // Get number of screens int numScr
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txt e066. getting the package of a class.txt

Class cls = java.lang.String.class; Package pkg = cls.getPackage(); String name = pkg.getName(); // java.lang // getPackage() returns null for a class in the unnamed
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txt e373. getting the current date.txt

Calendar cal = new GregorianCalendar(); // Get the components of the date int era = cal.get(Calendar.ERA); // 0=BC, 1=AD int year = cal.get(Calendar.YEAR);
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txt e593. getting the dimensions of text.txt

// From within the paint() method public void paint(Graphics g) { Graphics2D g2d = (Graphics2D)g; Font font = new Font("Serif", Font.PLAIN, 12); FontMetrics fontMetrics
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