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What is meant by Pre-emptive scheduling?
Thomas John
- Sep 22nd, 2015
Tasks are usually assigned with priorities. At times it is necessary to run a certain task that has a higher priority before another task although it is running. Therefore, the running task is interru...
jawaharl0207
- Oct 26th, 2009
Fixed priority pre-emptive scheduling is a scheduling system commonly used in real-time systems. With fixed priority pre-emptive scheduling, the scheduler ensures that at any given time, the processor executes the highest priority task of all those tasks that are currently ready to execute.
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What value does readLine() return when it has reached the end of a file
The readLine() method returns null when it has reached the end of a file.
Hanuman Sai
- Sep 21st, 2015
When readLine tries to read beyond the end of a text file it returns the special value null so you can test for null to stop processing a text file read returns -1 when it tries to read beyond the en...
jawaharl0207
- Oct 24th, 2009
It returns null because BufferReader object reading the data as string from the file, at the end if the content is not available it returns null.
