Article Introduction：ThisarticleusesvariousapproachesforselectingthecommandsinsertedintheopenedcommandwindowthroughtheJavacode.Thecommandwindowisopenedbyusing‘cmd’.Here,themethodsofdoingthesamearespecifiedusingJavacode.TheCommandwindowisfirstopenedusingtheJavaprogram.Iti

2023-08-19 comment 0  1101

Article Introduction：Executing Code from a StringSuppose you have a piece of Java code stored within a String variable, like:String javaCode =...

2024-10-24 comment 0  184

Article Introduction：Solution to the problem that the java program cannot display Chinese: First run the command "java javaCode" to view the java default encoding, and then enter the command "export JAVA_TOOL_OPTIONS=-Dfile.encoding=UTF8" to change the encoding to UTF-8.

2019-11-20 comment 0  8424

Article Introduction：As programmers, we write code every day, but do you really understand its life cycle? Today, let’s briefly talk about its life history. Speaking of a piece of JavaCode, it can be roughly divided into these steps from birth to gameover: compilation, class...

2017-04-05 comment 0  1342