System. exit, policystem. exit in Java
Exit the program in java and often use System. exit (1) or System. exit (0 ).
View the source code of the System. exit () method, as shown below:
1 /** 2 * Terminates the currently running Java
ABAP Program Exit action (CHECK, Exit, return, LEAVE ...)
Here's a summary of several common exit actions:
CHECK. (SAP official recommendation is only used in the cycle)
1 Check follows an expression that, when the expression value is False (false),
1. Graceful exit of the process 1.1.kill-9 PID problemsIt is easy and efficient to force a process to be killed by Kill-9 PID on Linux, so many program stop scripts often choose how to use the kill-9 PID.Whether the Kill-9 PID of Linux or the
It is troublesome to exit the program in Android, especially in multiple Activity programs. Before Android 2.2, you can exit the program using the following code:
Java code
[Java]ActivityManager am = (ActivityManager) getSystemService (Context.
Java is very attractive, but for beginners who have just entered the Java threshold, compiling and running a very simple Java program is simply a nightmare. Clearly, the program is correct, but all kinds of confusing error messages really make you
1. Finish () method
This method can end the current activity, but if your app has many activities, it seems a little too slow to use this method.In addition, there is also a method finishactivity (INT requestcode). For this method, first look at the
It was previously only known at development time to rely on database transactions to guarantee data integrity when the program was closed.But sometimes a business-required atomic operation does not necessarily include only databases, such as
From http://www.programbbs.com/doc/437.htm
Java is very attractive, but for beginners who have just entered the Java threshold, compile and run a very simple Java programIt's a nightmare. Mingming ProgramNoWrong, but a variety of confusing error
1. What is a Java Virtual Machine?A Java virtual machine is an imaginary machine that is simulated by software on an actual computer. The Java Virtual Machine has its own hardware, such as the processor, stack, and register. It also has the
Difference between System. exit (0) and System. exit (1), difference between system. exit1. References
Http://hi.baidu.com/accpzhangbo/blog/item/52aeffc683ee6ec238db4965.html2. Parsing
Check the source code of java. lang. System. We can find the
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