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java Programming Glossary: instanceofHow to maintain JTable cell rendering after cell edit http://stackoverflow.com/questions/10067060/how-to-maintain-jtable-cell-rendering-after-cell-edit Component editor getEditorComponent if editor null editor instanceof JTextComponent return result if e instanceof MouseEvent .. editor instanceof JTextComponent return result if e instanceof MouseEvent EventQueue.invokeLater new Runnable @Override ..
Places where JavaBeans are used? http://stackoverflow.com/questions/1727603/places-where-javabeans-are-used overrides. public boolean equals Object other return other instanceof User id null id.equals User other .id other this public int..
http://stackoverflow.com/questions/2707322/what-is-null-in-java instance of anything No there is no type which null is an instanceof . 15.20.2 Type Comparison Operator instanceof RelationalExpression.. null is an instanceof . 15.20.2 Type Comparison Operator instanceof RelationalExpression RelationalExpression instanceof ReferenceType.. instanceof RelationalExpression RelationalExpression instanceof ReferenceType At run time the result of the instanceof operator..
Overriding equals and hashCode in Java http://stackoverflow.com/questions/27581/overriding-equals-and-hashcode-in-java if obj null return false if obj this return true if obj instanceof Person return false Person rhs Person obj return new EqualsBuilder..
What is a raw type and why shouldn't we use it? http://stackoverflow.com/questions/2770321/what-is-a-raw-type-and-why-shouldnt-we-use-it at run time because names contains something that isn't an instanceof String . Presumably if you want names to contain only String.. code Class literals e.g. List.class not List String .class instanceof operand e.g. o instanceof Set not o instanceof Set String See.. not List String .class instanceof operand e.g. o instanceof Set not o instanceof Set String See also Why is Collection String..
Calling awt Frame methods from subclass http://stackoverflow.com/questions/5665156/calling-awt-frame-methods-from-subclass PARENT FRAME while p null printParentTree p if p instanceof ExampleFrame ExampleFrame myframe ExampleFrame p myframe.sampleMethod.. SECOND WAY OF ACCESSING PARENT FRAME if frame null frame instanceof ExampleFrame ExampleFrame myframe ExampleFrame p myframe.sampleMethod..
Remove Top-Level Container on Runtime http://stackoverflow.com/questions/6309407/remove-top-level-container-on-runtime Window.getWindows for int i 0 i wins.length i if wins i instanceof JDialog System.out.println Trying to Remove JDialog wins i.. Window.getWindows for int i 0 i wins.length i if wins i instanceof JFrame System.out.println JFrame wins i .setVisible true .. JFrame wins i .setVisible true else if wins i instanceof JDialog System.out.println JDialog wins i .setVisible true..
http://stackoverflow.com/questions/8614972/passing-current-date x int y int w int h Container con c.getParent while con instanceof JComponent if con.isVisible return if con instanceof GradientViewPortOriginal.. instanceof JComponent if con.isVisible return if con instanceof GradientViewPortOriginal c JComponent con x 0 y 0 w con.getWidth..
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