如何在Java 9中调试JShell？
命令"/debug"可用于显示调试信息 JShell工具实现。一旦我们输入“/debug”命令，调试模式就会开启。启用调试模式并输入诸如简单加法或简单字符串之类的内容后，它将打印如下。
Example-1
jshell> /debug | Debugging on jshell> 5+3 Compiling: 5+3 Kind: EXPRESSION_STATEMENT -- 5 + 3; compileAndLoad [Unit($1)] ++setCompilationInfo() Snippet:VariableKey($1)#11-5+3 package REPL; import java.io.*;import java.math.*;import java.net.*;import java.nio.file.*;import java.util.*; import java.util.concurrent.*;import java.util.function.*;import java.util.prefs.*; import java.util.regex.*;import java.util.stream.*;class $JShell $11 { public static int $1; public static Object do_it$() throws Throwable { return $1 = 5+3; } } -- diags: [] setStatus() Snippet:VariableKey($1)#11-5+3 - status: VALID compileAndLoad ins = [Unit($1)] -- legit = [Unit($1)] Compiler generating class REPL.$JShell$11 compileAndLoad [Unit($1)] -- deps: [] success: true recordCompilation: Snippet:VariableKey($1)#11-5+3 -- status VALID, unresolved [] $1 ==> 8登录后复制
