Alice Lehman of Charlotte has donated $4 million to the University of North Carolina at Chapel Hill to fund the new cellular immunotherapy research program â¦.
If SQL Developer cannot find Java on your machine, it will prompt you for the path for a JDK home. This only occurs the first time you launch SQL Developer. A valid Java Home on Windows will be similar to. C:\Program Files\Java\jdk1.8.0_45.
Bytes in Java (as all primitive number types) are signed. The valid range of byte values is -128 to 127. Thus, there is no byte that has the same value as the integer 0xFF = 255, but you need a cast, which is what your compiler is warning you of. Note that 255 will actually become -1. Try the following code yourself: This should print true, true, false, true, true, true as indicated.