One, if statementIn PL/SQL, keywords such as if, then, else, elsif, endif are used to perform conditional logicSyntax format:if conditions 1 Then Statement 1elsif conditions 2 Then Statement 2Else Statement 3End If; Example 1: Practice If
Java cyclic statements-general Linux technology-Linux programming and kernel information. The following is a detailed description. Java loop statements include for, while, and do-while. These statements create what we usually call a loop (loops ).
First, using the For loop structureTarget:This case requires writing a shell script chkhosts.sh that uses a for loop to detect the surviving status of multiple hosts, with the following requirements and instructions:1> Ping Detection of 192.168.4.0/2
Day 4: loop structure (while, do... While, ),... While1. Loop Structure (while, do... While,)
1.1. What is a loop structure
In daily life, there will be a lot of things that need to be done repeatedly, such as four seasons of every year, 7 days of
We now know how to use the IF statement to get the program to run along a different path, but the best thing about the program is to use the CPU and GPU's powerful execution to repeatedly execute a piece of code, think of Google's Alphago and Ke Jie'
PL/SQL LoopsThere may be a situation when you need to execute a block of code several times. In general, the statement order executes: The first statement of a function, first executed, then the second ... Wait a minute.Programming languages provide
If you run the run loop in a non-main thread, you must add at least one input sources or timer for the run loop. If the run loop you run does not monitor any input sources, the run loop will exit immediately after you run it.Run loop observer
Use
When I saw a main game loop translated on cppblog, I remembered that I had seen a similar article.ArticleBecause the first record in the notebook is a brief translation of the main loop. After comparison, we found that this article described more
1. Loop Structure (while, do... While,)
1.1. What is a loop structure
In daily life, there will be a lot of things that need to be done repeatedly, such as four seasons of every year, 7 days of every week, 3 meals a day, and 50 copies of each
First, Introduction
In shell programming, circular commands are used to control the execution of certain statements under certain conditions, with three commonly used loop statements: for, while, and until. While loops and for loops belong to the
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