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收藏的一个用JAVASCRIPT 操作 HTML Select 标签的东西
2009-10-29【[Javascript]】
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Java Swing JOptionPane showOptionDialog example
The showOptionDialog method of JOptionPane is the Grand Unification of showConfirmDialog, showInputDialog and showMessageDialog.
2019-08-11【[Java]】
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Java Swing – Keep dialog window up
The most common (and simple) way to implement a dialog in our application is the JOptionPane class. In this article we will discuss how to “overwrite” the default behaviour of JOptionPane that closes the dialog window when the user clicks a JOptionPane-created button.
2019-08-11【[Java]】
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Java 8 Optional In Depth
Java 8 has introduced a new class Optional in java.util package. It is used to represent a value is present or absent. The main advantage of this new construct is that No more too many null checks and NullPointerException. It avoids any runtime NullPointerExceptions and supports us in developing clean and neat Java APIs or Applications. Like Collections and arrays, it is also a Container to hold at most one value. Let us explore this new construct with some useful examples.
2019-08-11【[Java]】
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