I have previously blogged on how Groovy and ActionScript provide demonstrations of switching on Strings functionality that has not been available in Java. JDK 7 changes this for Java by ...

Hello, it seems I have similar issue to: #348 (comment), but on addItem(). I get this error: java.lang.NullPointerException: Attempt to invoke virtual method 'int java.lang.String.hashCode()' on a ...

How to printf a Java String. To use the Java String printf method to format output text, follow these rules:. Use %s as the printf String specifier in the text string being formatted.; Use %S as the ...

Some of the helpful methods of the Java Integer class include: MIN_VALUE and MAX_VALUE to help determine the range. floatValue to return an Integer as a float..equals to compare an Integer to another ...